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Finding the Fourth Proportional to 220,969.52, 304,927.44 and 125,463.68

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Solution

The fourth proportional to 220,969.52, 304,927.44 and 125,463.68 is: 173,133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,969.52 : 304,927.44 = 125,463.68 : x
  2. Step 2: Convert to fraction form
    220,969.52/304,927.44 = 125,463.68/x
  3. Step 3: Cross multiply
    220,969.52x = 304,927.44 × 125,463.68
  4. Step 4: Simplify right side
    220,969.52x = 38,257,318,755.38
  5. Step 5: Solve for x
    x = 38,257,318,755.38/220,969.52
  6. Step 6: Final answer
    x = 173,133.92

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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.