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Finding the Fourth Proportional to 247,734.08, 371,595.71 and 79,253.90

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Solution

The fourth proportional to 247,734.08, 371,595.71 and 79,253.90 is: 118,879.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,734.08 : 371,595.71 = 79,253.90 : x
  2. Step 2: Convert to fraction form
    247,734.08/371,595.71 = 79,253.90/x
  3. Step 3: Cross multiply
    247,734.08x = 371,595.71 × 79,253.90
  4. Step 4: Simplify right side
    247,734.08x = 29,450,406,986.52
  5. Step 5: Solve for x
    x = 29,450,406,986.52/247,734.08
  6. Step 6: Final answer
    x = 118,879.11

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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.