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Finding the Fourth Proportional to 112,225.60, 168,532.80 and 59,737.60

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Solution

The fourth proportional to 112,225.60, 168,532.80 and 59,737.60 is: 89,709.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,225.60 : 168,532.80 = 59,737.60 : x
  2. Step 2: Convert to fraction form
    112,225.60/168,532.80 = 59,737.60/x
  3. Step 3: Cross multiply
    112,225.60x = 168,532.80 × 59,737.60
  4. Step 4: Simplify right side
    112,225.60x = 10,067,744,993.28
  5. Step 5: Solve for x
    x = 10,067,744,993.28/112,225.60
  6. Step 6: Final answer
    x = 89,709.88

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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.