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Finding the Fourth Proportional to 225,349.13, 310,981.80 and 124,747.13

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Solution

The fourth proportional to 225,349.13, 310,981.80 and 124,747.13 is: 172,151.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,349.13 : 310,981.80 = 124,747.13 : x
  2. Step 2: Convert to fraction form
    225,349.13/310,981.80 = 124,747.13/x
  3. Step 3: Cross multiply
    225,349.13x = 310,981.80 × 124,747.13
  4. Step 4: Simplify right side
    225,349.13x = 38,794,085,477.33
  5. Step 5: Solve for x
    x = 38,794,085,477.33/225,349.13
  6. Step 6: Final answer
    x = 172,151.04

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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.