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Finding the Fourth Proportional to 83,960, 115,862.08 and 46,233.28

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Solution

The fourth proportional to 83,960, 115,862.08 and 46,233.28 is: 63,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,960 : 115,862.08 = 46,233.28 : x
  2. Step 2: Convert to fraction form
    83,960/115,862.08 = 46,233.28/x
  3. Step 3: Cross multiply
    83,960x = 115,862.08 × 46,233.28
  4. Step 4: Simplify right side
    83,960x = 5,356,683,986.02
  5. Step 5: Solve for x
    x = 5,356,683,986.02/83,960
  6. Step 6: Final answer
    x = 63,800.43

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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.