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Finding the Fourth Proportional to 112,813.60, 169,414.80 and 60,325.60

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Solution

The fourth proportional to 112,813.60, 169,414.80 and 60,325.60 is: 90,592.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,813.60 : 169,414.80 = 60,325.60 : x
  2. Step 2: Convert to fraction form
    112,813.60/169,414.80 = 60,325.60/x
  3. Step 3: Cross multiply
    112,813.60x = 169,414.80 × 60,325.60
  4. Step 4: Simplify right side
    112,813.60x = 10,220,049,458.88
  5. Step 5: Solve for x
    x = 10,220,049,458.88/112,813.60
  6. Step 6: Final answer
    x = 90,592.35

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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.