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Finding the Fourth Proportional to 61,442.40, 92,199.46 and 25,901.56

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Solution

The fourth proportional to 61,442.40, 92,199.46 and 25,901.56 is: 38,867.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,442.40 : 92,199.46 = 25,901.56 : x
  2. Step 2: Convert to fraction form
    61,442.40/92,199.46 = 25,901.56/x
  3. Step 3: Cross multiply
    61,442.40x = 92,199.46 × 25,901.56
  4. Step 4: Simplify right side
    61,442.40x = 2,388,109,845.16
  5. Step 5: Solve for x
    x = 2,388,109,845.16/61,442.40
  6. Step 6: Final answer
    x = 38,867.46

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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.