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Finding the Fourth Proportional to 60,261.87, 90,393.75 and 22,811.89

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Solution

The fourth proportional to 60,261.87, 90,393.75 and 22,811.89 is: 34,218.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,261.87 : 90,393.75 = 22,811.89 : x
  2. Step 2: Convert to fraction form
    60,261.87/90,393.75 = 22,811.89/x
  3. Step 3: Cross multiply
    60,261.87x = 90,393.75 × 22,811.89
  4. Step 4: Simplify right side
    60,261.87x = 2,062,051,715.66
  5. Step 5: Solve for x
    x = 2,062,051,715.66/60,261.87
  6. Step 6: Final answer
    x = 34,218.19

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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.