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Finding the Fourth Proportional to 61,452.55, 92,178.89 and 17,079.31

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Solution

The fourth proportional to 61,452.55, 92,178.89 and 17,079.31 is: 25,618.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,452.55 : 92,178.89 = 17,079.31 : x
  2. Step 2: Convert to fraction form
    61,452.55/92,178.89 = 17,079.31/x
  3. Step 3: Cross multiply
    61,452.55x = 92,178.89 × 17,079.31
  4. Step 4: Simplify right side
    61,452.55x = 1,574,351,837.77
  5. Step 5: Solve for x
    x = 1,574,351,837.77/61,452.55
  6. Step 6: Final answer
    x = 25,618.98

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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.