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Finding the Fourth Proportional to 62,136.78, 85,748.76 and 33,842.46

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Solution

The fourth proportional to 62,136.78, 85,748.76 and 33,842.46 is: 46,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,136.78 : 85,748.76 = 33,842.46 : x
  2. Step 2: Convert to fraction form
    62,136.78/85,748.76 = 33,842.46/x
  3. Step 3: Cross multiply
    62,136.78x = 85,748.76 × 33,842.46
  4. Step 4: Simplify right side
    62,136.78x = 2,901,948,980.35
  5. Step 5: Solve for x
    x = 2,901,948,980.35/62,136.78
  6. Step 6: Final answer
    x = 46,702.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.