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Finding the Fourth Proportional to 173,578.98, 260,032.20 and 98,471.93

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Solution

The fourth proportional to 173,578.98, 260,032.20 and 98,471.93 is: 147,517.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,578.98 : 260,032.20 = 98,471.93 : x
  2. Step 2: Convert to fraction form
    173,578.98/260,032.20 = 98,471.93/x
  3. Step 3: Cross multiply
    173,578.98x = 260,032.20 × 98,471.93
  4. Step 4: Simplify right side
    173,578.98x = 25,605,871,295.99
  5. Step 5: Solve for x
    x = 25,605,871,295.99/173,578.98
  6. Step 6: Final answer
    x = 147,517.12

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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.