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Finding the Fourth Proportional to 61,766.40, 92,550.72 and 60,126.12

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Solution

The fourth proportional to 61,766.40, 92,550.72 and 60,126.12 is: 90,092.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,766.40 : 92,550.72 = 60,126.12 : x
  2. Step 2: Convert to fraction form
    61,766.40/92,550.72 = 60,126.12/x
  3. Step 3: Cross multiply
    61,766.40x = 92,550.72 × 60,126.12
  4. Step 4: Simplify right side
    61,766.40x = 5,564,715,696.81
  5. Step 5: Solve for x
    x = 5,564,715,696.81/61,766.40
  6. Step 6: Final answer
    x = 90,092.93

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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.