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Finding the Fourth Proportional to 324,701.36, 487,105.35 and 100,061.84

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Solution

The fourth proportional to 324,701.36, 487,105.35 and 100,061.84 is: 150,109.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,701.36 : 487,105.35 = 100,061.84 : x
  2. Step 2: Convert to fraction form
    324,701.36/487,105.35 = 100,061.84/x
  3. Step 3: Cross multiply
    324,701.36x = 487,105.35 × 100,061.84
  4. Step 4: Simplify right side
    324,701.36x = 48,740,655,534.55
  5. Step 5: Solve for x
    x = 48,740,655,534.55/324,701.36
  6. Step 6: Final answer
    x = 150,109.18

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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.