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Finding the Fourth Proportional to 112,652.34, 169,197.21 and 82,952.88

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Solution

The fourth proportional to 112,652.34, 169,197.21 and 82,952.88 is: 124,590.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,652.34 : 169,197.21 = 82,952.88 : x
  2. Step 2: Convert to fraction form
    112,652.34/169,197.21 = 82,952.88/x
  3. Step 3: Cross multiply
    112,652.34x = 169,197.21 × 82,952.88
  4. Step 4: Simplify right side
    112,652.34x = 14,035,395,857.46
  5. Step 5: Solve for x
    x = 14,035,395,857.46/112,652.34
  6. Step 6: Final answer
    x = 124,590.36

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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.