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Finding the Fourth Proportional to 95,184, 142,776.99 and 39,009.69

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Solution

The fourth proportional to 95,184, 142,776.99 and 39,009.69 is: 58,514.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,184 : 142,776.99 = 39,009.69 : x
  2. Step 2: Convert to fraction form
    95,184/142,776.99 = 39,009.69/x
  3. Step 3: Cross multiply
    95,184x = 142,776.99 × 39,009.69
  4. Step 4: Simplify right side
    95,184x = 5,569,686,119.03
  5. Step 5: Solve for x
    x = 5,569,686,119.03/95,184
  6. Step 6: Final answer
    x = 58,514.94

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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.