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Finding the Fourth Proportional to 79,799.83, 119,702.26 and 29,870.40

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Solution

The fourth proportional to 79,799.83, 119,702.26 and 29,870.40 is: 44,806.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,799.83 : 119,702.26 = 29,870.40 : x
  2. Step 2: Convert to fraction form
    79,799.83/119,702.26 = 29,870.40/x
  3. Step 3: Cross multiply
    79,799.83x = 119,702.26 × 29,870.40
  4. Step 4: Simplify right side
    79,799.83x = 3,575,553,695.32
  5. Step 5: Solve for x
    x = 3,575,553,695.32/79,799.83
  6. Step 6: Final answer
    x = 44,806.53

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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.