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Finding the Fourth Proportional to 59,894,469.40, 89,841,704.10 and 53,511,928.60

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Solution

The fourth proportional to 59,894,469.40, 89,841,704.10 and 53,511,928.60 is: 80,267,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,894,469.40 : 89,841,704.10 = 53,511,928.60 : x
  2. Step 2: Convert to fraction form
    59,894,469.40/89,841,704.10 = 53,511,928.60/x
  3. Step 3: Cross multiply
    59,894,469.40x = 89,841,704.10 × 53,511,928.60
  4. Step 4: Simplify right side
    59,894,469.40x = 4,807,602,855,101,527
  5. Step 5: Solve for x
    x = 4,807,602,855,101,527/59,894,469.40
  6. Step 6: Final answer
    x = 80,267,892.90

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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.