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Finding the Fourth Proportional to 143,842.16, 215,836.13 and 95,843.58

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Solution

The fourth proportional to 143,842.16, 215,836.13 and 95,843.58 is: 143,813.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,842.16 : 215,836.13 = 95,843.58 : x
  2. Step 2: Convert to fraction form
    143,842.16/215,836.13 = 95,843.58/x
  3. Step 3: Cross multiply
    143,842.16x = 215,836.13 × 95,843.58
  4. Step 4: Simplify right side
    143,842.16x = 20,686,506,913.33
  5. Step 5: Solve for x
    x = 20,686,506,913.33/143,842.16
  6. Step 6: Final answer
    x = 143,813.93

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1.5x scale

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.