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Finding the Fourth Proportional to 225,253.68, 338,317.92 and 165,854.76

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Solution

The fourth proportional to 225,253.68, 338,317.92 and 165,854.76 is: 249,104.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,253.68 : 338,317.92 = 165,854.76 : x
  2. Step 2: Convert to fraction form
    225,253.68/338,317.92 = 165,854.76/x
  3. Step 3: Cross multiply
    225,253.68x = 338,317.92 × 165,854.76
  4. Step 4: Simplify right side
    225,253.68x = 56,111,637,425.30
  5. Step 5: Solve for x
    x = 56,111,637,425.30/225,253.68
  6. Step 6: Final answer
    x = 249,104.20

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1.5x scale

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.