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Finding the Fourth Proportional to 124,493.77, 171,799.90 and 67,903.93

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Solution

The fourth proportional to 124,493.77, 171,799.90 and 67,903.93 is: 93,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,493.77 : 171,799.90 = 67,903.93 : x
  2. Step 2: Convert to fraction form
    124,493.77/171,799.90 = 67,903.93/x
  3. Step 3: Cross multiply
    124,493.77x = 171,799.90 × 67,903.93
  4. Step 4: Simplify right side
    124,493.77x = 11,665,888,383.61
  5. Step 5: Solve for x
    x = 11,665,888,383.61/124,493.77
  6. Step 6: Final answer
    x = 93,706.60

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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.