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Finding the Fourth Proportional to 127,441.60, 175,825.61 and 79,026.13

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Solution

The fourth proportional to 127,441.60, 175,825.61 and 79,026.13 is: 109,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,441.60 : 175,825.61 = 79,026.13 : x
  2. Step 2: Convert to fraction form
    127,441.60/175,825.61 = 79,026.13/x
  3. Step 3: Cross multiply
    127,441.60x = 175,825.61 × 79,026.13
  4. Step 4: Simplify right side
    127,441.60x = 13,894,817,856.45
  5. Step 5: Solve for x
    x = 13,894,817,856.45/127,441.60
  6. Step 6: Final answer
    x = 109,028.90

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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.