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Finding the Fourth Proportional to 108,476.88, 149,592.92 and 84,594.84

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Solution

The fourth proportional to 108,476.88, 149,592.92 and 84,594.84 is: 116,658.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,476.88 : 149,592.92 = 84,594.84 : x
  2. Step 2: Convert to fraction form
    108,476.88/149,592.92 = 84,594.84/x
  3. Step 3: Cross multiply
    108,476.88x = 149,592.92 × 84,594.84
  4. Step 4: Simplify right side
    108,476.88x = 12,654,789,132.53
  5. Step 5: Solve for x
    x = 12,654,789,132.53/108,476.88
  6. Step 6: Final answer
    x = 116,658.86

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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.