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Finding the Fourth Proportional to 198,001.80, 296,829.90 and 119,032.20

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Solution

The fourth proportional to 198,001.80, 296,829.90 and 119,032.20 is: 178,444.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,001.80 : 296,829.90 = 119,032.20 : x
  2. Step 2: Convert to fraction form
    198,001.80/296,829.90 = 119,032.20/x
  3. Step 3: Cross multiply
    198,001.80x = 296,829.90 × 119,032.20
  4. Step 4: Simplify right side
    198,001.80x = 35,332,316,022.78
  5. Step 5: Solve for x
    x = 35,332,316,022.78/198,001.80
  6. Step 6: Final answer
    x = 178,444.42

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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.