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Finding the Fourth Proportional to 169,305.62, 233,109.78 and 143,758.22

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Solution

The fourth proportional to 169,305.62, 233,109.78 and 143,758.22 is: 197,934.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,305.62 : 233,109.78 = 143,758.22 : x
  2. Step 2: Convert to fraction form
    169,305.62/233,109.78 = 143,758.22/x
  3. Step 3: Cross multiply
    169,305.62x = 233,109.78 × 143,758.22
  4. Step 4: Simplify right side
    169,305.62x = 33,511,447,037.39
  5. Step 5: Solve for x
    x = 33,511,447,037.39/169,305.62
  6. Step 6: Final answer
    x = 197,934.64

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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.