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Finding the Fourth Proportional to 94,162, 129,955.08 and 54,418

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Solution

The fourth proportional to 94,162, 129,955.08 and 54,418 is: 75,103.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,162 : 129,955.08 = 54,418 : x
  2. Step 2: Convert to fraction form
    94,162/129,955.08 = 54,418/x
  3. Step 3: Cross multiply
    94,162x = 129,955.08 × 54,418
  4. Step 4: Simplify right side
    94,162x = 7,071,895,543.44
  5. Step 5: Solve for x
    x = 7,071,895,543.44/94,162
  6. Step 6: Final answer
    x = 75,103.50

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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.