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Finding the Fourth Proportional to 234,354.01, 323,406.92 and 126,921.58

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Solution

The fourth proportional to 234,354.01, 323,406.92 and 126,921.58 is: 175,150.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,354.01 : 323,406.92 = 126,921.58 : x
  2. Step 2: Convert to fraction form
    234,354.01/323,406.92 = 126,921.58/x
  3. Step 3: Cross multiply
    234,354.01x = 323,406.92 × 126,921.58
  4. Step 4: Simplify right side
    234,354.01x = 41,047,316,952.03
  5. Step 5: Solve for x
    x = 41,047,316,952.03/234,354.01
  6. Step 6: Final answer
    x = 175,150.91

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1.5x scale

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.