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Finding the Fourth Proportional to 117,003.60, 175,505.40 and 38,116.80

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Solution

The fourth proportional to 117,003.60, 175,505.40 and 38,116.80 is: 57,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,003.60 : 175,505.40 = 38,116.80 : x
  2. Step 2: Convert to fraction form
    117,003.60/175,505.40 = 38,116.80/x
  3. Step 3: Cross multiply
    117,003.60x = 175,505.40 × 38,116.80
  4. Step 4: Simplify right side
    117,003.60x = 6,689,704,230.72
  5. Step 5: Solve for x
    x = 6,689,704,230.72/117,003.60
  6. Step 6: Final answer
    x = 57,175.20

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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.