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Finding the Fourth Proportional to 410,253.39, 615,177.45 and 125,875.89

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Solution

The fourth proportional to 410,253.39, 615,177.45 and 125,875.89 is: 188,751.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,253.39 : 615,177.45 = 125,875.89 : x
  2. Step 2: Convert to fraction form
    410,253.39/615,177.45 = 125,875.89/x
  3. Step 3: Cross multiply
    410,253.39x = 615,177.45 × 125,875.89
  4. Step 4: Simplify right side
    410,253.39x = 77,436,009,026.68
  5. Step 5: Solve for x
    x = 77,436,009,026.68/410,253.39
  6. Step 6: Final answer
    x = 188,751.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.