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Finding the Fourth Proportional to 101,474.17, 140,062.50 and 59,040.90

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Solution

The fourth proportional to 101,474.17, 140,062.50 and 59,040.90 is: 81,492.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,474.17 : 140,062.50 = 59,040.90 : x
  2. Step 2: Convert to fraction form
    101,474.17/140,062.50 = 59,040.90/x
  3. Step 3: Cross multiply
    101,474.17x = 140,062.50 × 59,040.90
  4. Step 4: Simplify right side
    101,474.17x = 8,269,416,056.25
  5. Step 5: Solve for x
    x = 8,269,416,056.25/101,474.17
  6. Step 6: Final answer
    x = 81,492.82

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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.