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Finding the Fourth Proportional to 108,702.38, 163,046.28 and 29,810

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Solution

The fourth proportional to 108,702.38, 163,046.28 and 29,810 is: 44,713.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,702.38 : 163,046.28 = 29,810 : x
  2. Step 2: Convert to fraction form
    108,702.38/163,046.28 = 29,810/x
  3. Step 3: Cross multiply
    108,702.38x = 163,046.28 × 29,810
  4. Step 4: Simplify right side
    108,702.38x = 4,860,409,606.80
  5. Step 5: Solve for x
    x = 4,860,409,606.80/108,702.38
  6. Step 6: Final answer
    x = 44,713.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.