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Finding the Fourth Proportional to 108,710.64, 149,992.17 and 62,759.04

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Solution

The fourth proportional to 108,710.64, 149,992.17 and 62,759.04 is: 86,591.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,710.64 : 149,992.17 = 62,759.04 : x
  2. Step 2: Convert to fraction form
    108,710.64/149,992.17 = 62,759.04/x
  3. Step 3: Cross multiply
    108,710.64x = 149,992.17 × 62,759.04
  4. Step 4: Simplify right side
    108,710.64x = 9,413,364,596.72
  5. Step 5: Solve for x
    x = 9,413,364,596.72/108,710.64
  6. Step 6: Final answer
    x = 86,591.01

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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.