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Finding the Fourth Proportional to 79,636.52, 119,456.40 and 35,255

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Solution

The fourth proportional to 79,636.52, 119,456.40 and 35,255 is: 52,883.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,636.52 : 119,456.40 = 35,255 : x
  2. Step 2: Convert to fraction form
    79,636.52/119,456.40 = 35,255/x
  3. Step 3: Cross multiply
    79,636.52x = 119,456.40 × 35,255
  4. Step 4: Simplify right side
    79,636.52x = 4,211,435,382
  5. Step 5: Solve for x
    x = 4,211,435,382/79,636.52
  6. Step 6: Final answer
    x = 52,883.22

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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.