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Finding the Fourth Proportional to 172,862.10, 259,292.70 and 48,203.10

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Solution

The fourth proportional to 172,862.10, 259,292.70 and 48,203.10 is: 72,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,862.10 : 259,292.70 = 48,203.10 : x
  2. Step 2: Convert to fraction form
    172,862.10/259,292.70 = 48,203.10/x
  3. Step 3: Cross multiply
    172,862.10x = 259,292.70 × 48,203.10
  4. Step 4: Simplify right side
    172,862.10x = 12,498,711,947.37
  5. Step 5: Solve for x
    x = 12,498,711,947.37/172,862.10
  6. Step 6: Final answer
    x = 72,304.52

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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.