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Finding the Fourth Proportional to 127,347.99, 191,049.59 and 38,608.30

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Solution

The fourth proportional to 127,347.99, 191,049.59 and 38,608.30 is: 57,920.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,347.99 : 191,049.59 = 38,608.30 : x
  2. Step 2: Convert to fraction form
    127,347.99/191,049.59 = 38,608.30/x
  3. Step 3: Cross multiply
    127,347.99x = 191,049.59 × 38,608.30
  4. Step 4: Simplify right side
    127,347.99x = 7,376,099,885.60
  5. Step 5: Solve for x
    x = 7,376,099,885.60/127,347.99
  6. Step 6: Final answer
    x = 57,920.82

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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.