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Finding the Fourth Proportional to 227,472.72, 313,901.39 and 124,100.76

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Solution

The fourth proportional to 227,472.72, 313,901.39 and 124,100.76 is: 171,253.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,472.72 : 313,901.39 = 124,100.76 : x
  2. Step 2: Convert to fraction form
    227,472.72/313,901.39 = 124,100.76/x
  3. Step 3: Cross multiply
    227,472.72x = 313,901.39 × 124,100.76
  4. Step 4: Simplify right side
    227,472.72x = 38,955,401,064.06
  5. Step 5: Solve for x
    x = 38,955,401,064.06/227,472.72
  6. Step 6: Final answer
    x = 171,253.07

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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.