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Finding the Fourth Proportional to 202,298.46, 279,171.61 and 111,654.60

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Solution

The fourth proportional to 202,298.46, 279,171.61 and 111,654.60 is: 154,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,298.46 : 279,171.61 = 111,654.60 : x
  2. Step 2: Convert to fraction form
    202,298.46/279,171.61 = 111,654.60/x
  3. Step 3: Cross multiply
    202,298.46x = 279,171.61 × 111,654.60
  4. Step 4: Simplify right side
    202,298.46x = 31,170,794,445.91
  5. Step 5: Solve for x
    x = 31,170,794,445.91/202,298.46
  6. Step 6: Final answer
    x = 154,083.20

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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.