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Finding the Fourth Proportional to 225,339.64, 338,126.01 and 99,068.56

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Solution

The fourth proportional to 225,339.64, 338,126.01 and 99,068.56 is: 148,654.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,339.64 : 338,126.01 = 99,068.56 : x
  2. Step 2: Convert to fraction form
    225,339.64/338,126.01 = 99,068.56/x
  3. Step 3: Cross multiply
    225,339.64x = 338,126.01 × 99,068.56
  4. Step 4: Simplify right side
    225,339.64x = 33,497,656,909.25
  5. Step 5: Solve for x
    x = 33,497,656,909.25/225,339.64
  6. Step 6: Final answer
    x = 148,654.08

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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.