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Finding the Fourth Proportional to 79,114.56, 118,732.32 and 58,344

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Solution

The fourth proportional to 79,114.56, 118,732.32 and 58,344 is: 87,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,114.56 : 118,732.32 = 58,344 : x
  2. Step 2: Convert to fraction form
    79,114.56/118,732.32 = 58,344/x
  3. Step 3: Cross multiply
    79,114.56x = 118,732.32 × 58,344
  4. Step 4: Simplify right side
    79,114.56x = 6,927,318,478.08
  5. Step 5: Solve for x
    x = 6,927,318,478.08/79,114.56
  6. Step 6: Final answer
    x = 87,560.60

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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.