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Finding the Fourth Proportional to 67,860.77, 101,798.13 and 23,487.45

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Solution

The fourth proportional to 67,860.77, 101,798.13 and 23,487.45 is: 35,233.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,860.77 : 101,798.13 = 23,487.45 : x
  2. Step 2: Convert to fraction form
    67,860.77/101,798.13 = 23,487.45/x
  3. Step 3: Cross multiply
    67,860.77x = 101,798.13 × 23,487.45
  4. Step 4: Simplify right side
    67,860.77x = 2,390,978,488.47
  5. Step 5: Solve for x
    x = 2,390,978,488.47/67,860.77
  6. Step 6: Final answer
    x = 35,233.59

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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.