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Finding the Fourth Proportional to 301,298.33, 451,976.66 and 88,061.45

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Solution

The fourth proportional to 301,298.33, 451,976.66 and 88,061.45 is: 132,100.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,298.33 : 451,976.66 = 88,061.45 : x
  2. Step 2: Convert to fraction form
    301,298.33/451,976.66 = 88,061.45/x
  3. Step 3: Cross multiply
    301,298.33x = 451,976.66 × 88,061.45
  4. Step 4: Simplify right side
    301,298.33x = 39,801,717,675.80
  5. Step 5: Solve for x
    x = 39,801,717,675.80/301,298.33
  6. Step 6: Final answer
    x = 132,100.69

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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.