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Finding the Fourth Proportional to 59,595,894.60, 89,393,841.90 and 51,517,991.40

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Solution

The fourth proportional to 59,595,894.60, 89,393,841.90 and 51,517,991.40 is: 77,276,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,595,894.60 : 89,393,841.90 = 51,517,991.40 : x
  2. Step 2: Convert to fraction form
    59,595,894.60/89,393,841.90 = 51,517,991.40/x
  3. Step 3: Cross multiply
    59,595,894.60x = 89,393,841.90 × 51,517,991.40
  4. Step 4: Simplify right side
    59,595,894.60x = 4,605,391,178,217,160
  5. Step 5: Solve for x
    x = 4,605,391,178,217,160/59,595,894.60
  6. Step 6: Final answer
    x = 77,276,987.10

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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.