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Finding the Fourth Proportional to 173,360.16, 260,040.24 and 61,013.92

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Solution

The fourth proportional to 173,360.16, 260,040.24 and 61,013.92 is: 91,520.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,360.16 : 260,040.24 = 61,013.92 : x
  2. Step 2: Convert to fraction form
    173,360.16/260,040.24 = 61,013.92/x
  3. Step 3: Cross multiply
    173,360.16x = 260,040.24 × 61,013.92
  4. Step 4: Simplify right side
    173,360.16x = 15,866,074,400.14
  5. Step 5: Solve for x
    x = 15,866,074,400.14/173,360.16
  6. Step 6: Final answer
    x = 91,520.88

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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.