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Finding the Fourth Proportional to 220,937.70, 304,896.03 and 125,446.41

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Solution

The fourth proportional to 220,937.70, 304,896.03 and 125,446.41 is: 173,117.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,937.70 : 304,896.03 = 125,446.41 : x
  2. Step 2: Convert to fraction form
    220,937.70/304,896.03 = 125,446.41/x
  3. Step 3: Cross multiply
    220,937.70x = 304,896.03 × 125,446.41
  4. Step 4: Simplify right side
    220,937.70x = 38,248,112,386.75
  5. Step 5: Solve for x
    x = 38,248,112,386.75/220,937.70
  6. Step 6: Final answer
    x = 173,117.18

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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.