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Finding the Fourth Proportional to 61,123.55, 91,723.80 and 26,062.70

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Solution

The fourth proportional to 61,123.55, 91,723.80 and 26,062.70 is: 39,110.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,123.55 : 91,723.80 = 26,062.70 : x
  2. Step 2: Convert to fraction form
    61,123.55/91,723.80 = 26,062.70/x
  3. Step 3: Cross multiply
    61,123.55x = 91,723.80 × 26,062.70
  4. Step 4: Simplify right side
    61,123.55x = 2,390,569,882.26
  5. Step 5: Solve for x
    x = 2,390,569,882.26/61,123.55
  6. Step 6: Final answer
    x = 39,110.46

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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.