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Finding the Fourth Proportional to 125,114.55, 172,658.17 and 67,754.33

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Solution

The fourth proportional to 125,114.55, 172,658.17 and 67,754.33 is: 93,501.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,114.55 : 172,658.17 = 67,754.33 : x
  2. Step 2: Convert to fraction form
    125,114.55/172,658.17 = 67,754.33/x
  3. Step 3: Cross multiply
    125,114.55x = 172,658.17 × 67,754.33
  4. Step 4: Simplify right side
    125,114.55x = 11,698,337,764.09
  5. Step 5: Solve for x
    x = 11,698,337,764.09/125,114.55
  6. Step 6: Final answer
    x = 93,501.02

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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.