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Finding the Fourth Proportional to 14,919,167.20, 22,378,750.80 and 8,530,065.40

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Solution

The fourth proportional to 14,919,167.20, 22,378,750.80 and 8,530,065.40 is: 12,795,098.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919,167.20 : 22,378,750.80 = 8,530,065.40 : x
  2. Step 2: Convert to fraction form
    14,919,167.20/22,378,750.80 = 8,530,065.40/x
  3. Step 3: Cross multiply
    14,919,167.20x = 22,378,750.80 × 8,530,065.40
  4. Step 4: Simplify right side
    14,919,167.20x = 190,892,207,894,302.34
  5. Step 5: Solve for x
    x = 190,892,207,894,302.34/14,919,167.20
  6. Step 6: Final answer
    x = 12,795,098.10

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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.