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Finding the Fourth Proportional to 60,295.26, 90,429.84 and 38,078.94

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Solution

The fourth proportional to 60,295.26, 90,429.84 and 38,078.94 is: 57,110.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,295.26 : 90,429.84 = 38,078.94 : x
  2. Step 2: Convert to fraction form
    60,295.26/90,429.84 = 38,078.94/x
  3. Step 3: Cross multiply
    60,295.26x = 90,429.84 × 38,078.94
  4. Step 4: Simplify right side
    60,295.26x = 3,443,472,451.57
  5. Step 5: Solve for x
    x = 3,443,472,451.57/60,295.26
  6. Step 6: Final answer
    x = 57,110.17

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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.