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Finding the Fourth Proportional to 113,562.40, 170,343.60 and 93,517.60

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Solution

The fourth proportional to 113,562.40, 170,343.60 and 93,517.60 is: 140,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,562.40 : 170,343.60 = 93,517.60 : x
  2. Step 2: Convert to fraction form
    113,562.40/170,343.60 = 93,517.60/x
  3. Step 3: Cross multiply
    113,562.40x = 170,343.60 × 93,517.60
  4. Step 4: Simplify right side
    113,562.40x = 15,930,124,647.36
  5. Step 5: Solve for x
    x = 15,930,124,647.36/113,562.40
  6. Step 6: Final answer
    x = 140,276.40

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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.