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Finding the Fourth Proportional to 225,437.94, 338,281.38 and 125,654.31

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Solution

The fourth proportional to 225,437.94, 338,281.38 and 125,654.31 is: 188,550.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,437.94 : 338,281.38 = 125,654.31 : x
  2. Step 2: Convert to fraction form
    225,437.94/338,281.38 = 125,654.31/x
  3. Step 3: Cross multiply
    225,437.94x = 338,281.38 × 125,654.31
  4. Step 4: Simplify right side
    225,437.94x = 42,506,513,389.75
  5. Step 5: Solve for x
    x = 42,506,513,389.75/225,437.94
  6. Step 6: Final answer
    x = 188,550.84

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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.