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Finding the Fourth Proportional to 225,265.56, 310,876.14 and 124,663.56

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Solution

The fourth proportional to 225,265.56, 310,876.14 and 124,663.56 is: 172,041.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,265.56 : 310,876.14 = 124,663.56 : x
  2. Step 2: Convert to fraction form
    225,265.56/310,876.14 = 124,663.56/x
  3. Step 3: Cross multiply
    225,265.56x = 310,876.14 × 124,663.56
  4. Step 4: Simplify right side
    225,265.56x = 38,754,926,331.46
  5. Step 5: Solve for x
    x = 38,754,926,331.46/225,265.56
  6. Step 6: Final answer
    x = 172,041.06

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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.