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Finding the Fourth Proportional to 64,159.73, 96,239.65 and 17,412.61

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Solution

The fourth proportional to 64,159.73, 96,239.65 and 17,412.61 is: 26,118.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,159.73 : 96,239.65 = 17,412.61 : x
  2. Step 2: Convert to fraction form
    64,159.73/96,239.65 = 17,412.61/x
  3. Step 3: Cross multiply
    64,159.73x = 96,239.65 × 17,412.61
  4. Step 4: Simplify right side
    64,159.73x = 1,675,783,207.86
  5. Step 5: Solve for x
    x = 1,675,783,207.86/64,159.73
  6. Step 6: Final answer
    x = 26,118.92

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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.