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Finding the Fourth Proportional to 225,039.52, 310,553.76 and 124,437.52

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Solution

The fourth proportional to 225,039.52, 310,553.76 and 124,437.52 is: 171,723.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,039.52 : 310,553.76 = 124,437.52 : x
  2. Step 2: Convert to fraction form
    225,039.52/310,553.76 = 124,437.52/x
  3. Step 3: Cross multiply
    225,039.52x = 310,553.76 × 124,437.52
  4. Step 4: Simplify right side
    225,039.52x = 38,644,539,721.08
  5. Step 5: Solve for x
    x = 38,644,539,721.08/225,039.52
  6. Step 6: Final answer
    x = 171,723.35

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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.