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Finding the Fourth Proportional to 59,784,781.80, 89,517,740.40 and 59,784,781.80

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Solution

The fourth proportional to 59,784,781.80, 89,517,740.40 and 59,784,781.80 is: 89,517,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,784,781.80 : 89,517,740.40 = 59,784,781.80 : x
  2. Step 2: Convert to fraction form
    59,784,781.80/89,517,740.40 = 59,784,781.80/x
  3. Step 3: Cross multiply
    59,784,781.80x = 89,517,740.40 × 59,784,781.80
  4. Step 4: Simplify right side
    59,784,781.80x = 5,351,798,577,043,045
  5. Step 5: Solve for x
    x = 5,351,798,577,043,045/59,784,781.80
  6. Step 6: Final answer
    x = 89,517,740.40

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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.