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Finding the Fourth Proportional to 112,349.60, 168,718.80 and 59,861.60

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Solution

The fourth proportional to 112,349.60, 168,718.80 and 59,861.60 is: 89,895.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,349.60 : 168,718.80 = 59,861.60 : x
  2. Step 2: Convert to fraction form
    112,349.60/168,718.80 = 59,861.60/x
  3. Step 3: Cross multiply
    112,349.60x = 168,718.80 × 59,861.60
  4. Step 4: Simplify right side
    112,349.60x = 10,099,777,318.08
  5. Step 5: Solve for x
    x = 10,099,777,318.08/112,349.60
  6. Step 6: Final answer
    x = 89,895.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.