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Finding the Fourth Proportional to 40,169, 60,274.51 and 29,166.57

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Solution

The fourth proportional to 40,169, 60,274.51 and 29,166.57 is: 43,765.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,169 : 60,274.51 = 29,166.57 : x
  2. Step 2: Convert to fraction form
    40,169/60,274.51 = 29,166.57/x
  3. Step 3: Cross multiply
    40,169x = 60,274.51 × 29,166.57
  4. Step 4: Simplify right side
    40,169x = 1,758,000,715.13
  5. Step 5: Solve for x
    x = 1,758,000,715.13/40,169
  6. Step 6: Final answer
    x = 43,765.11

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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.