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Finding the Fourth Proportional to 108,448.98, 162,778.50 and 52,328.55

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Solution

The fourth proportional to 108,448.98, 162,778.50 and 52,328.55 is: 78,543.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,448.98 : 162,778.50 = 52,328.55 : x
  2. Step 2: Convert to fraction form
    108,448.98/162,778.50 = 52,328.55/x
  3. Step 3: Cross multiply
    108,448.98x = 162,778.50 × 52,328.55
  4. Step 4: Simplify right side
    108,448.98x = 8,517,962,876.18
  5. Step 5: Solve for x
    x = 8,517,962,876.18/108,448.98
  6. Step 6: Final answer
    x = 78,543.50

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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.