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Finding the Fourth Proportional to 173,615.52, 260,352 and 55,255.08

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Solution

The fourth proportional to 173,615.52, 260,352 and 55,255.08 is: 82,859.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,615.52 : 260,352 = 55,255.08 : x
  2. Step 2: Convert to fraction form
    173,615.52/260,352 = 55,255.08/x
  3. Step 3: Cross multiply
    173,615.52x = 260,352 × 55,255.08
  4. Step 4: Simplify right side
    173,615.52x = 14,385,770,588.16
  5. Step 5: Solve for x
    x = 14,385,770,588.16/173,615.52
  6. Step 6: Final answer
    x = 82,859.93

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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.