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Finding the Fourth Proportional to 225,036.52, 310,549.62 and 124,434.52

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Solution

The fourth proportional to 225,036.52, 310,549.62 and 124,434.52 is: 171,719.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,036.52 : 310,549.62 = 124,434.52 : x
  2. Step 2: Convert to fraction form
    225,036.52/310,549.62 = 124,434.52/x
  3. Step 3: Cross multiply
    225,036.52x = 310,549.62 × 124,434.52
  4. Step 4: Simplify right side
    225,036.52x = 38,643,092,900.88
  5. Step 5: Solve for x
    x = 38,643,092,900.88/225,036.52
  6. Step 6: Final answer
    x = 171,719.21

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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.