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Finding the Fourth Proportional to 117,177.42, 175,766.39 and 42,350.40

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Solution

The fourth proportional to 117,177.42, 175,766.39 and 42,350.40 is: 63,525.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,177.42 : 175,766.39 = 42,350.40 : x
  2. Step 2: Convert to fraction form
    117,177.42/175,766.39 = 42,350.40/x
  3. Step 3: Cross multiply
    117,177.42x = 175,766.39 × 42,350.40
  4. Step 4: Simplify right side
    117,177.42x = 7,443,776,711.30
  5. Step 5: Solve for x
    x = 7,443,776,711.30/117,177.42
  6. Step 6: Final answer
    x = 63,525.69

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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.