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Finding the Fourth Proportional to 8,169,951.90, 12,254,927.85 and 2,490,167.10

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Solution

The fourth proportional to 8,169,951.90, 12,254,927.85 and 2,490,167.10 is: 3,735,250.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169,951.90 : 12,254,927.85 = 2,490,167.10 : x
  2. Step 2: Convert to fraction form
    8,169,951.90/12,254,927.85 = 2,490,167.10/x
  3. Step 3: Cross multiply
    8,169,951.90x = 12,254,927.85 × 2,490,167.10
  4. Step 4: Simplify right side
    8,169,951.90x = 30,516,818,144,943.73
  5. Step 5: Solve for x
    x = 30,516,818,144,943.73/8,169,951.90
  6. Step 6: Final answer
    x = 3,735,250.65

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.