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Finding the Fourth Proportional to 61,516.17, 91,937.18 and 44,911.17

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Solution

The fourth proportional to 61,516.17, 91,937.18 and 44,911.17 is: 67,120.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,516.17 : 91,937.18 = 44,911.17 : x
  2. Step 2: Convert to fraction form
    61,516.17/91,937.18 = 44,911.17/x
  3. Step 3: Cross multiply
    61,516.17x = 91,937.18 × 44,911.17
  4. Step 4: Simplify right side
    61,516.17x = 4,129,006,095.74
  5. Step 5: Solve for x
    x = 4,129,006,095.74/61,516.17
  6. Step 6: Final answer
    x = 67,120.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.