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Finding the Fourth Proportional to 220,248.52, 330,320.84 and 124,227.07

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Solution

The fourth proportional to 220,248.52, 330,320.84 and 124,227.07 is: 186,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,248.52 : 330,320.84 = 124,227.07 : x
  2. Step 2: Convert to fraction form
    220,248.52/330,320.84 = 124,227.07/x
  3. Step 3: Cross multiply
    220,248.52x = 330,320.84 × 124,227.07
  4. Step 4: Simplify right side
    220,248.52x = 41,034,788,666.20
  5. Step 5: Solve for x
    x = 41,034,788,666.20/220,248.52
  6. Step 6: Final answer
    x = 186,311.30

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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.