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Finding the Fourth Proportional to 173,633.80, 260,537.10 and 68,456.20

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Solution

The fourth proportional to 173,633.80, 260,537.10 and 68,456.20 is: 102,718.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,633.80 : 260,537.10 = 68,456.20 : x
  2. Step 2: Convert to fraction form
    173,633.80/260,537.10 = 68,456.20/x
  3. Step 3: Cross multiply
    173,633.80x = 260,537.10 × 68,456.20
  4. Step 4: Simplify right side
    173,633.80x = 17,835,379,825.02
  5. Step 5: Solve for x
    x = 17,835,379,825.02/173,633.80
  6. Step 6: Final answer
    x = 102,718.36

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1.5x scale

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.