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Finding the Fourth Proportional to 124,488.94, 171,797.07 and 67,902.34

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Solution

The fourth proportional to 124,488.94, 171,797.07 and 67,902.34 is: 93,706.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,488.94 : 171,797.07 = 67,902.34 : x
  2. Step 2: Convert to fraction form
    124,488.94/171,797.07 = 67,902.34/x
  3. Step 3: Cross multiply
    124,488.94x = 171,797.07 × 67,902.34
  4. Step 4: Simplify right side
    124,488.94x = 11,665,423,058.14
  5. Step 5: Solve for x
    x = 11,665,423,058.14/124,488.94
  6. Step 6: Final answer
    x = 93,706.50

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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.