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Finding the Fourth Proportional to 165,167.86, 227,950.77 and 155,034.22

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Solution

The fourth proportional to 165,167.86, 227,950.77 and 155,034.22 is: 213,965.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,167.86 : 227,950.77 = 155,034.22 : x
  2. Step 2: Convert to fraction form
    165,167.86/227,950.77 = 155,034.22/x
  3. Step 3: Cross multiply
    165,167.86x = 227,950.77 × 155,034.22
  4. Step 4: Simplify right side
    165,167.86x = 35,340,169,825.35
  5. Step 5: Solve for x
    x = 35,340,169,825.35/165,167.86
  6. Step 6: Final answer
    x = 213,965.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.