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Finding the Fourth Proportional to 124,416,992.40, 186,600,605.40 and 59,720,672.40

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Solution

The fourth proportional to 124,416,992.40, 186,600,605.40 and 59,720,672.40 is: 89,569,064.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,992.40 : 186,600,605.40 = 59,720,672.40 : x
  2. Step 2: Convert to fraction form
    124,416,992.40/186,600,605.40 = 59,720,672.40/x
  3. Step 3: Cross multiply
    124,416,992.40x = 186,600,605.40 × 59,720,672.40
  4. Step 4: Simplify right side
    124,416,992.40x = 11,143,913,624,735,072
  5. Step 5: Solve for x
    x = 11,143,913,624,735,072/124,416,992.40
  6. Step 6: Final answer
    x = 89,569,064.56

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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.