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Finding the Fourth Proportional to 125,238.74, 172,995.10 and 93,352.28

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Solution

The fourth proportional to 125,238.74, 172,995.10 and 93,352.28 is: 128,949.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,238.74 : 172,995.10 = 93,352.28 : x
  2. Step 2: Convert to fraction form
    125,238.74/172,995.10 = 93,352.28/x
  3. Step 3: Cross multiply
    125,238.74x = 172,995.10 × 93,352.28
  4. Step 4: Simplify right side
    125,238.74x = 16,149,487,013.83
  5. Step 5: Solve for x
    x = 16,149,487,013.83/125,238.74
  6. Step 6: Final answer
    x = 128,949.61

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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.