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Finding the Fourth Proportional to 127,882.60, 191,823.90 and 101,444.20

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Solution

The fourth proportional to 127,882.60, 191,823.90 and 101,444.20 is: 152,166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,882.60 : 191,823.90 = 101,444.20 : x
  2. Step 2: Convert to fraction form
    127,882.60/191,823.90 = 101,444.20/x
  3. Step 3: Cross multiply
    127,882.60x = 191,823.90 × 101,444.20
  4. Step 4: Simplify right side
    127,882.60x = 19,459,422,076.38
  5. Step 5: Solve for x
    x = 19,459,422,076.38/127,882.60
  6. Step 6: Final answer
    x = 152,166.30

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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.