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Finding the Fourth Proportional to 324,785, 487,119.99 and 88,146.08

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Solution

The fourth proportional to 324,785, 487,119.99 and 88,146.08 is: 132,203.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,785 : 487,119.99 = 88,146.08 : x
  2. Step 2: Convert to fraction form
    324,785/487,119.99 = 88,146.08/x
  3. Step 3: Cross multiply
    324,785x = 487,119.99 × 88,146.08
  4. Step 4: Simplify right side
    324,785x = 42,937,717,608.14
  5. Step 5: Solve for x
    x = 42,937,717,608.14/324,785
  6. Step 6: Final answer
    x = 132,203.51

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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.