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Finding the Fourth Proportional to 247,633.66, 371,450.90 and 79,167.57

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Solution

The fourth proportional to 247,633.66, 371,450.90 and 79,167.57 is: 118,751.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,633.66 : 371,450.90 = 79,167.57 : x
  2. Step 2: Convert to fraction form
    247,633.66/371,450.90 = 79,167.57/x
  3. Step 3: Cross multiply
    247,633.66x = 371,450.90 × 79,167.57
  4. Step 4: Simplify right side
    247,633.66x = 29,406,865,127.31
  5. Step 5: Solve for x
    x = 29,406,865,127.31/247,633.66
  6. Step 6: Final answer
    x = 118,751.49

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1.5x scale

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.