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Finding the Fourth Proportional to 225,247.04, 310,843.68 and 124,654.40

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Solution

The fourth proportional to 225,247.04, 310,843.68 and 124,654.40 is: 172,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,247.04 : 310,843.68 = 124,654.40 : x
  2. Step 2: Convert to fraction form
    225,247.04/310,843.68 = 124,654.40/x
  3. Step 3: Cross multiply
    225,247.04x = 310,843.68 × 124,654.40
  4. Step 4: Simplify right side
    225,247.04x = 38,748,032,424.19
  5. Step 5: Solve for x
    x = 38,748,032,424.19/225,247.04
  6. Step 6: Final answer
    x = 172,024.60

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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.