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Finding the Fourth Proportional to 110,871.86, 153,003.14 and 59,884.62

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Solution

The fourth proportional to 110,871.86, 153,003.14 and 59,884.62 is: 82,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,871.86 : 153,003.14 = 59,884.62 : x
  2. Step 2: Convert to fraction form
    110,871.86/153,003.14 = 59,884.62/x
  3. Step 3: Cross multiply
    110,871.86x = 153,003.14 × 59,884.62
  4. Step 4: Simplify right side
    110,871.86x = 9,162,534,897.71
  5. Step 5: Solve for x
    x = 9,162,534,897.71/110,871.86
  6. Step 6: Final answer
    x = 82,640.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.