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Finding the Fourth Proportional to 48,810.30, 73,069.65 and 29,078.70

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Solution

The fourth proportional to 48,810.30, 73,069.65 and 29,078.70 is: 43,531.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,810.30 : 73,069.65 = 29,078.70 : x
  2. Step 2: Convert to fraction form
    48,810.30/73,069.65 = 29,078.70/x
  3. Step 3: Cross multiply
    48,810.30x = 73,069.65 × 29,078.70
  4. Step 4: Simplify right side
    48,810.30x = 2,124,770,431.46
  5. Step 5: Solve for x
    x = 2,124,770,431.46/48,810.30
  6. Step 6: Final answer
    x = 43,531.19

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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.