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Finding the Fourth Proportional to 79,264.52, 118,812.94 and 29,312.52

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Solution

The fourth proportional to 79,264.52, 118,812.94 and 29,312.52 is: 43,937.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,264.52 : 118,812.94 = 29,312.52 : x
  2. Step 2: Convert to fraction form
    79,264.52/118,812.94 = 29,312.52/x
  3. Step 3: Cross multiply
    79,264.52x = 118,812.94 × 29,312.52
  4. Step 4: Simplify right side
    79,264.52x = 3,482,706,680.01
  5. Step 5: Solve for x
    x = 3,482,706,680.01/79,264.52
  6. Step 6: Final answer
    x = 43,937.78

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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.