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Finding the Fourth Proportional to 170,436.52, 255,691.68 and 65,255.52

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Solution

The fourth proportional to 170,436.52, 255,691.68 and 65,255.52 is: 97,897.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,436.52 : 255,691.68 = 65,255.52 : x
  2. Step 2: Convert to fraction form
    170,436.52/255,691.68 = 65,255.52/x
  3. Step 3: Cross multiply
    170,436.52x = 255,691.68 × 65,255.52
  4. Step 4: Simplify right side
    170,436.52x = 16,685,293,538.07
  5. Step 5: Solve for x
    x = 16,685,293,538.07/170,436.52
  6. Step 6: Final answer
    x = 97,897.41

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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.