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Finding the Fourth Proportional to 117,028.80, 175,543.20 and 93,700.80

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Solution

The fourth proportional to 117,028.80, 175,543.20 and 93,700.80 is: 140,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,028.80 : 175,543.20 = 93,700.80 : x
  2. Step 2: Convert to fraction form
    117,028.80/175,543.20 = 93,700.80/x
  3. Step 3: Cross multiply
    117,028.80x = 175,543.20 × 93,700.80
  4. Step 4: Simplify right side
    117,028.80x = 16,448,538,274.56
  5. Step 5: Solve for x
    x = 16,448,538,274.56/117,028.80
  6. Step 6: Final answer
    x = 140,551.20

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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.