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Finding the Fourth Proportional to 181,738.47, 250,806.45 and 101,160.88

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Solution

The fourth proportional to 181,738.47, 250,806.45 and 101,160.88 is: 139,606.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,738.47 : 250,806.45 = 101,160.88 : x
  2. Step 2: Convert to fraction form
    181,738.47/250,806.45 = 101,160.88/x
  3. Step 3: Cross multiply
    181,738.47x = 250,806.45 × 101,160.88
  4. Step 4: Simplify right side
    181,738.47x = 25,371,801,191.68
  5. Step 5: Solve for x
    x = 25,371,801,191.68/181,738.47
  6. Step 6: Final answer
    x = 139,606.11

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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.