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Finding the Fourth Proportional to 61,693.74, 92,307.30 and 57,961.26

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Solution

The fourth proportional to 61,693.74, 92,307.30 and 57,961.26 is: 86,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,693.74 : 92,307.30 = 57,961.26 : x
  2. Step 2: Convert to fraction form
    61,693.74/92,307.30 = 57,961.26/x
  3. Step 3: Cross multiply
    61,693.74x = 92,307.30 × 57,961.26
  4. Step 4: Simplify right side
    61,693.74x = 5,350,247,415.20
  5. Step 5: Solve for x
    x = 5,350,247,415.20/61,693.74
  6. Step 6: Final answer
    x = 86,722.70

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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.