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Finding the Fourth Proportional to 124,391.84, 171,659.66 and 67,802

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Solution

The fourth proportional to 124,391.84, 171,659.66 and 67,802 is: 93,566.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,391.84 : 171,659.66 = 67,802 : x
  2. Step 2: Convert to fraction form
    124,391.84/171,659.66 = 67,802/x
  3. Step 3: Cross multiply
    124,391.84x = 171,659.66 × 67,802
  4. Step 4: Simplify right side
    124,391.84x = 11,638,868,267.32
  5. Step 5: Solve for x
    x = 11,638,868,267.32/124,391.84
  6. Step 6: Final answer
    x = 93,566.17

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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.