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Finding the Fourth Proportional to 141,998.76, 195,923.34 and 86,794.14

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Solution

The fourth proportional to 141,998.76, 195,923.34 and 86,794.14 is: 119,754.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,998.76 : 195,923.34 = 86,794.14 : x
  2. Step 2: Convert to fraction form
    141,998.76/195,923.34 = 86,794.14/x
  3. Step 3: Cross multiply
    141,998.76x = 195,923.34 × 86,794.14
  4. Step 4: Simplify right side
    141,998.76x = 17,004,997,801.23
  5. Step 5: Solve for x
    x = 17,004,997,801.23/141,998.76
  6. Step 6: Final answer
    x = 119,754.55

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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.