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Finding the Fourth Proportional to 110,882.40, 166,345.52 and 35,988.64

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Solution

The fourth proportional to 110,882.40, 166,345.52 and 35,988.64 is: 53,990.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,882.40 : 166,345.52 = 35,988.64 : x
  2. Step 2: Convert to fraction form
    110,882.40/166,345.52 = 35,988.64/x
  3. Step 3: Cross multiply
    110,882.40x = 166,345.52 × 35,988.64
  4. Step 4: Simplify right side
    110,882.40x = 5,986,549,034.89
  5. Step 5: Solve for x
    x = 5,986,549,034.89/110,882.40
  6. Step 6: Final answer
    x = 53,990.07

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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.