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Finding the Fourth Proportional to 112,229.60, 168,538.80 and 59,741.60

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Solution

The fourth proportional to 112,229.60, 168,538.80 and 59,741.60 is: 89,715.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,229.60 : 168,538.80 = 59,741.60 : x
  2. Step 2: Convert to fraction form
    112,229.60/168,538.80 = 59,741.60/x
  3. Step 3: Cross multiply
    112,229.60x = 168,538.80 × 59,741.60
  4. Step 4: Simplify right side
    112,229.60x = 10,068,777,574.08
  5. Step 5: Solve for x
    x = 10,068,777,574.08/112,229.60
  6. Step 6: Final answer
    x = 89,715.88

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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.