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Finding the Fourth Proportional to 64,159.74, 96,239.66 and 17,412.62

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Solution

The fourth proportional to 64,159.74, 96,239.66 and 17,412.62 is: 26,118.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,159.74 : 96,239.66 = 17,412.62 : x
  2. Step 2: Convert to fraction form
    64,159.74/96,239.66 = 17,412.62/x
  3. Step 3: Cross multiply
    64,159.74x = 96,239.66 × 17,412.62
  4. Step 4: Simplify right side
    64,159.74x = 1,675,784,060.25
  5. Step 5: Solve for x
    x = 1,675,784,060.25/64,159.74
  6. Step 6: Final answer
    x = 26,118.93

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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.