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Finding the Fourth Proportional to 104,430.69, 156,702.75 and 44,449.38

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Solution

The fourth proportional to 104,430.69, 156,702.75 and 44,449.38 is: 66,698.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,430.69 : 156,702.75 = 44,449.38 : x
  2. Step 2: Convert to fraction form
    104,430.69/156,702.75 = 44,449.38/x
  3. Step 3: Cross multiply
    104,430.69x = 156,702.75 × 44,449.38
  4. Step 4: Simplify right side
    104,430.69x = 6,965,340,081.80
  5. Step 5: Solve for x
    x = 6,965,340,081.80/104,430.69
  6. Step 6: Final answer
    x = 66,698.21

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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.