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Finding the Fourth Proportional to 324,545.76, 486,842.94 and 100,062.36

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Solution

The fourth proportional to 324,545.76, 486,842.94 and 100,062.36 is: 150,101.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,545.76 : 486,842.94 = 100,062.36 : x
  2. Step 2: Convert to fraction form
    324,545.76/486,842.94 = 100,062.36/x
  3. Step 3: Cross multiply
    324,545.76x = 486,842.94 × 100,062.36
  4. Step 4: Simplify right side
    324,545.76x = 48,714,653,525.74
  5. Step 5: Solve for x
    x = 48,714,653,525.74/324,545.76
  6. Step 6: Final answer
    x = 150,101.03

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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.