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Finding the Fourth Proportional to 64,159.65, 96,255.90 and 26,707.28

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Solution

The fourth proportional to 64,159.65, 96,255.90 and 26,707.28 is: 40,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,159.65 : 96,255.90 = 26,707.28 : x
  2. Step 2: Convert to fraction form
    64,159.65/96,255.90 = 26,707.28/x
  3. Step 3: Cross multiply
    64,159.65x = 96,255.90 × 26,707.28
  4. Step 4: Simplify right side
    64,159.65x = 2,570,732,791.67
  5. Step 5: Solve for x
    x = 2,570,732,791.67/64,159.65
  6. Step 6: Final answer
    x = 40,067.75

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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.