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Finding the Fourth Proportional to 113,352.10, 170,028.15 and 93,652.90

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Solution

The fourth proportional to 113,352.10, 170,028.15 and 93,652.90 is: 140,479.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,352.10 : 170,028.15 = 93,652.90 : x
  2. Step 2: Convert to fraction form
    113,352.10/170,028.15 = 93,652.90/x
  3. Step 3: Cross multiply
    113,352.10x = 170,028.15 × 93,652.90
  4. Step 4: Simplify right side
    113,352.10x = 15,923,629,329.14
  5. Step 5: Solve for x
    x = 15,923,629,329.14/113,352.10
  6. Step 6: Final answer
    x = 140,479.35

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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.