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Finding the Fourth Proportional to 48,312.70, 72,469.05 and 44,230.30

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Solution

The fourth proportional to 48,312.70, 72,469.05 and 44,230.30 is: 66,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,312.70 : 72,469.05 = 44,230.30 : x
  2. Step 2: Convert to fraction form
    48,312.70/72,469.05 = 44,230.30/x
  3. Step 3: Cross multiply
    48,312.70x = 72,469.05 × 44,230.30
  4. Step 4: Simplify right side
    48,312.70x = 3,205,327,822.22
  5. Step 5: Solve for x
    x = 3,205,327,822.22/48,312.70
  6. Step 6: Final answer
    x = 66,345.45

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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.