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Finding the Fourth Proportional to 48,158.72, 72,211.60 and 14,869.60

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Solution

The fourth proportional to 48,158.72, 72,211.60 and 14,869.60 is: 22,296.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,158.72 : 72,211.60 = 14,869.60 : x
  2. Step 2: Convert to fraction form
    48,158.72/72,211.60 = 14,869.60/x
  3. Step 3: Cross multiply
    48,158.72x = 72,211.60 × 14,869.60
  4. Step 4: Simplify right side
    48,158.72x = 1,073,757,607.36
  5. Step 5: Solve for x
    x = 1,073,757,607.36/48,158.72
  6. Step 6: Final answer
    x = 22,296.22

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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.