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Finding the Fourth Proportional to 125,363.17, 188,045.13 and 31,868.92

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Solution

The fourth proportional to 125,363.17, 188,045.13 and 31,868.92 is: 47,803.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,363.17 : 188,045.13 = 31,868.92 : x
  2. Step 2: Convert to fraction form
    125,363.17/188,045.13 = 31,868.92/x
  3. Step 3: Cross multiply
    125,363.17x = 188,045.13 × 31,868.92
  4. Step 4: Simplify right side
    125,363.17x = 5,992,795,204.36
  5. Step 5: Solve for x
    x = 5,992,795,204.36/125,363.17
  6. Step 6: Final answer
    x = 47,803.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.