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Finding the Fourth Proportional to 171,002.68, 256,531.59 and 52,673.91

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Solution

The fourth proportional to 171,002.68, 256,531.59 and 52,673.91 is: 79,019.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,002.68 : 256,531.59 = 52,673.91 : x
  2. Step 2: Convert to fraction form
    171,002.68/256,531.59 = 52,673.91/x
  3. Step 3: Cross multiply
    171,002.68x = 256,531.59 × 52,673.91
  4. Step 4: Simplify right side
    171,002.68x = 13,512,521,883.82
  5. Step 5: Solve for x
    x = 13,512,521,883.82/171,002.68
  6. Step 6: Final answer
    x = 79,019.36

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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.