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Finding the Fourth Proportional to 101,008.25, 151,534.25 and 38,678.75

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Solution

The fourth proportional to 101,008.25, 151,534.25 and 38,678.75 is: 58,026.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,008.25 : 151,534.25 = 38,678.75 : x
  2. Step 2: Convert to fraction form
    101,008.25/151,534.25 = 38,678.75/x
  3. Step 3: Cross multiply
    101,008.25x = 151,534.25 × 38,678.75
  4. Step 4: Simplify right side
    101,008.25x = 5,861,155,178.79
  5. Step 5: Solve for x
    x = 5,861,155,178.79/101,008.25
  6. Step 6: Final answer
    x = 58,026.50

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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.