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Finding the Fourth Proportional to 66,045,697.60, 98,984,565.60 and 31,893,505.60

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Solution

The fourth proportional to 66,045,697.60, 98,984,565.60 and 31,893,505.60 is: 47,799,704.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,045,697.60 : 98,984,565.60 = 31,893,505.60 : x
  2. Step 2: Convert to fraction form
    66,045,697.60/98,984,565.60 = 31,893,505.60/x
  3. Step 3: Cross multiply
    66,045,697.60x = 98,984,565.60 × 31,893,505.60
  4. Step 4: Simplify right side
    66,045,697.60x = 3,156,964,797,277,167.50
  5. Step 5: Solve for x
    x = 3,156,964,797,277,167.50/66,045,697.60
  6. Step 6: Final answer
    x = 47,799,704.02

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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.