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Finding the Fourth Proportional to 151,097.38, 208,514.58 and 84,029.38

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Solution

The fourth proportional to 151,097.38, 208,514.58 and 84,029.38 is: 115,960.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,097.38 : 208,514.58 = 84,029.38 : x
  2. Step 2: Convert to fraction form
    151,097.38/208,514.58 = 84,029.38/x
  3. Step 3: Cross multiply
    151,097.38x = 208,514.58 × 84,029.38
  4. Step 4: Simplify right side
    151,097.38x = 17,521,350,878.36
  5. Step 5: Solve for x
    x = 17,521,350,878.36/151,097.38
  6. Step 6: Final answer
    x = 115,960.65

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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.