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Finding the Fourth Proportional to 89,560, 123,593.52 and 49,816

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Solution

The fourth proportional to 89,560, 123,593.52 and 49,816 is: 68,746.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,560 : 123,593.52 = 49,816 : x
  2. Step 2: Convert to fraction form
    89,560/123,593.52 = 49,816/x
  3. Step 3: Cross multiply
    89,560x = 123,593.52 × 49,816
  4. Step 4: Simplify right side
    89,560x = 6,156,934,792.32
  5. Step 5: Solve for x
    x = 6,156,934,792.32/89,560
  6. Step 6: Final answer
    x = 68,746.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.