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Finding the Fourth Proportional to 543,246.15, 814,865.18 and 164,166.15

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Solution

The fourth proportional to 543,246.15, 814,865.18 and 164,166.15 is: 246,248.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,246.15 : 814,865.18 = 164,166.15 : x
  2. Step 2: Convert to fraction form
    543,246.15/814,865.18 = 164,166.15/x
  3. Step 3: Cross multiply
    543,246.15x = 814,865.18 × 164,166.15
  4. Step 4: Simplify right side
    543,246.15x = 133,773,278,548.83
  5. Step 5: Solve for x
    x = 133,773,278,548.83/543,246.15
  6. Step 6: Final answer
    x = 246,248.00

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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.