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Finding the Fourth Proportional to 61,372.40, 92,058.60 and 49,708.40

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Solution

The fourth proportional to 61,372.40, 92,058.60 and 49,708.40 is: 74,562.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,372.40 : 92,058.60 = 49,708.40 : x
  2. Step 2: Convert to fraction form
    61,372.40/92,058.60 = 49,708.40/x
  3. Step 3: Cross multiply
    61,372.40x = 92,058.60 × 49,708.40
  4. Step 4: Simplify right side
    61,372.40x = 4,576,085,712.24
  5. Step 5: Solve for x
    x = 4,576,085,712.24/61,372.40
  6. Step 6: Final answer
    x = 74,562.60

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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.