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Finding the Fourth Proportional to 117,242.93, 175,862.87 and 28,496.18

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Solution

The fourth proportional to 117,242.93, 175,862.87 and 28,496.18 is: 42,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,242.93 : 175,862.87 = 28,496.18 : x
  2. Step 2: Convert to fraction form
    117,242.93/175,862.87 = 28,496.18/x
  3. Step 3: Cross multiply
    117,242.93x = 175,862.87 × 28,496.18
  4. Step 4: Simplify right side
    117,242.93x = 5,011,419,856.36
  5. Step 5: Solve for x
    x = 5,011,419,856.36/117,242.93
  6. Step 6: Final answer
    x = 42,743.90

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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.