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Finding the Fourth Proportional to 124,411.14, 171,690.03 and 67,822.92

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Solution

The fourth proportional to 124,411.14, 171,690.03 and 67,822.92 is: 93,597.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,411.14 : 171,690.03 = 67,822.92 : x
  2. Step 2: Convert to fraction form
    124,411.14/171,690.03 = 67,822.92/x
  3. Step 3: Cross multiply
    124,411.14x = 171,690.03 × 67,822.92
  4. Step 4: Simplify right side
    124,411.14x = 11,644,519,169.49
  5. Step 5: Solve for x
    x = 11,644,519,169.49/124,411.14
  6. Step 6: Final answer
    x = 93,597.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.