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Finding the Fourth Proportional to 170,661.11, 255,982.10 and 52,332.12

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Solution

The fourth proportional to 170,661.11, 255,982.10 and 52,332.12 is: 78,495.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,661.11 : 255,982.10 = 52,332.12 : x
  2. Step 2: Convert to fraction form
    170,661.11/255,982.10 = 52,332.12/x
  3. Step 3: Cross multiply
    170,661.11x = 255,982.10 × 52,332.12
  4. Step 4: Simplify right side
    170,661.11x = 13,396,086,673.32
  5. Step 5: Solve for x
    x = 13,396,086,673.32/170,661.11
  6. Step 6: Final answer
    x = 78,495.25

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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.