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Finding the Fourth Proportional to 118,294.34, 163,246.56 and 75,853.04

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Solution

The fourth proportional to 118,294.34, 163,246.56 and 75,853.04 is: 104,677.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,294.34 : 163,246.56 = 75,853.04 : x
  2. Step 2: Convert to fraction form
    118,294.34/163,246.56 = 75,853.04/x
  3. Step 3: Cross multiply
    118,294.34x = 163,246.56 × 75,853.04
  4. Step 4: Simplify right side
    118,294.34x = 12,382,747,845.54
  5. Step 5: Solve for x
    x = 12,382,747,845.54/118,294.34
  6. Step 6: Final answer
    x = 104,677.43

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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.