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Finding the Fourth Proportional to 108,494.64, 149,726.88 and 60,747.57

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Solution

The fourth proportional to 108,494.64, 149,726.88 and 60,747.57 is: 83,834.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,494.64 : 149,726.88 = 60,747.57 : x
  2. Step 2: Convert to fraction form
    108,494.64/149,726.88 = 60,747.57/x
  3. Step 3: Cross multiply
    108,494.64x = 149,726.88 × 60,747.57
  4. Step 4: Simplify right side
    108,494.64x = 9,095,544,123.68
  5. Step 5: Solve for x
    x = 9,095,544,123.68/108,494.64
  6. Step 6: Final answer
    x = 83,834.04

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1.5x scale

Why These Related Problems?

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