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Finding the Fourth Proportional to 107,134.61, 160,704.95 and 40,562.33

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Solution

The fourth proportional to 107,134.61, 160,704.95 and 40,562.33 is: 60,844.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,134.61 : 160,704.95 = 40,562.33 : x
  2. Step 2: Convert to fraction form
    107,134.61/160,704.95 = 40,562.33/x
  3. Step 3: Cross multiply
    107,134.61x = 160,704.95 × 40,562.33
  4. Step 4: Simplify right side
    107,134.61x = 6,518,566,208.20
  5. Step 5: Solve for x
    x = 6,518,566,208.20/107,134.61
  6. Step 6: Final answer
    x = 60,844.64

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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.