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Finding the Fourth Proportional to 69,348.96, 103,973.76 and 29,370.60

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Solution

The fourth proportional to 69,348.96, 103,973.76 and 29,370.60 is: 44,034.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,348.96 : 103,973.76 = 29,370.60 : x
  2. Step 2: Convert to fraction form
    69,348.96/103,973.76 = 29,370.60/x
  3. Step 3: Cross multiply
    69,348.96x = 103,973.76 × 29,370.60
  4. Step 4: Simplify right side
    69,348.96x = 3,053,771,715.46
  5. Step 5: Solve for x
    x = 3,053,771,715.46/69,348.96
  6. Step 6: Final answer
    x = 44,034.86

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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.