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Finding the Fourth Proportional to 61,747.96, 92,656.28 and 30,158.48

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Solution

The fourth proportional to 61,747.96, 92,656.28 and 30,158.48 is: 45,254.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,747.96 : 92,656.28 = 30,158.48 : x
  2. Step 2: Convert to fraction form
    61,747.96/92,656.28 = 30,158.48/x
  3. Step 3: Cross multiply
    61,747.96x = 92,656.28 × 30,158.48
  4. Step 4: Simplify right side
    61,747.96x = 2,794,372,567.25
  5. Step 5: Solve for x
    x = 2,794,372,567.25/61,747.96
  6. Step 6: Final answer
    x = 45,254.49

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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.