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Finding the Fourth Proportional to 113,352.60, 169,917.30 and 63,456.60

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Solution

The fourth proportional to 113,352.60, 169,917.30 and 63,456.60 is: 95,122.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,352.60 : 169,917.30 = 63,456.60 : x
  2. Step 2: Convert to fraction form
    113,352.60/169,917.30 = 63,456.60/x
  3. Step 3: Cross multiply
    113,352.60x = 169,917.30 × 63,456.60
  4. Step 4: Simplify right side
    113,352.60x = 10,782,374,139.18
  5. Step 5: Solve for x
    x = 10,782,374,139.18/113,352.60
  6. Step 6: Final answer
    x = 95,122.42

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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.