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Finding the Fourth Proportional to 110,046.40, 151,867.71 and 61,650.42

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Solution

The fourth proportional to 110,046.40, 151,867.71 and 61,650.42 is: 85,079.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,046.40 : 151,867.71 = 61,650.42 : x
  2. Step 2: Convert to fraction form
    110,046.40/151,867.71 = 61,650.42/x
  3. Step 3: Cross multiply
    110,046.40x = 151,867.71 × 61,650.42
  4. Step 4: Simplify right side
    110,046.40x = 9,362,707,536.43
  5. Step 5: Solve for x
    x = 9,362,707,536.43/110,046.40
  6. Step 6: Final answer
    x = 85,079.64

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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.