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Finding the Fourth Proportional to 101,181.38, 151,779.56 and 38,851.88

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Solution

The fourth proportional to 101,181.38, 151,779.56 and 38,851.88 is: 58,280.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,181.38 : 151,779.56 = 38,851.88 : x
  2. Step 2: Convert to fraction form
    101,181.38/151,779.56 = 38,851.88/x
  3. Step 3: Cross multiply
    101,181.38x = 151,779.56 × 38,851.88
  4. Step 4: Simplify right side
    101,181.38x = 5,896,920,298.42
  5. Step 5: Solve for x
    x = 5,896,920,298.42/101,181.38
  6. Step 6: Final answer
    x = 58,280.69

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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.