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Finding the Fourth Proportional to 69,166.42, 103,649.16 and 37,549.72

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Solution

The fourth proportional to 69,166.42, 103,649.16 and 37,549.72 is: 56,270.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,166.42 : 103,649.16 = 37,549.72 : x
  2. Step 2: Convert to fraction form
    69,166.42/103,649.16 = 37,549.72/x
  3. Step 3: Cross multiply
    69,166.42x = 103,649.16 × 37,549.72
  4. Step 4: Simplify right side
    69,166.42x = 3,891,996,936.24
  5. Step 5: Solve for x
    x = 3,891,996,936.24/69,166.42
  6. Step 6: Final answer
    x = 56,270.04

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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.