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Finding the Fourth Proportional to 173,569.80, 260,063.10 and 84,631.80

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Solution

The fourth proportional to 173,569.80, 260,063.10 and 84,631.80 is: 126,805.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,569.80 : 260,063.10 = 84,631.80 : x
  2. Step 2: Convert to fraction form
    173,569.80/260,063.10 = 84,631.80/x
  3. Step 3: Cross multiply
    173,569.80x = 260,063.10 × 84,631.80
  4. Step 4: Simplify right side
    173,569.80x = 22,009,608,266.58
  5. Step 5: Solve for x
    x = 22,009,608,266.58/173,569.80
  6. Step 6: Final answer
    x = 126,805.52

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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.