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Finding the Fourth Proportional to 173,364.80, 260,047.20 and 123,339.20

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Solution

The fourth proportional to 173,364.80, 260,047.20 and 123,339.20 is: 185,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,364.80 : 260,047.20 = 123,339.20 : x
  2. Step 2: Convert to fraction form
    173,364.80/260,047.20 = 123,339.20/x
  3. Step 3: Cross multiply
    173,364.80x = 260,047.20 × 123,339.20
  4. Step 4: Simplify right side
    173,364.80x = 32,074,013,610.24
  5. Step 5: Solve for x
    x = 32,074,013,610.24/173,364.80
  6. Step 6: Final answer
    x = 185,008.80

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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.