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Finding the Fourth Proportional to 61,615.08, 92,474.46 and 57,727.08

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Solution

The fourth proportional to 61,615.08, 92,474.46 and 57,727.08 is: 86,639.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,615.08 : 92,474.46 = 57,727.08 : x
  2. Step 2: Convert to fraction form
    61,615.08/92,474.46 = 57,727.08/x
  3. Step 3: Cross multiply
    61,615.08x = 92,474.46 × 57,727.08
  4. Step 4: Simplify right side
    61,615.08x = 5,338,280,550.38
  5. Step 5: Solve for x
    x = 5,338,280,550.38/61,615.08
  6. Step 6: Final answer
    x = 86,639.19

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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.