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Finding the Fourth Proportional to 326,162.16, 450,060.30 and 180,965.61

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Solution

The fourth proportional to 326,162.16, 450,060.30 and 180,965.61 is: 249,708.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,162.16 : 450,060.30 = 180,965.61 : x
  2. Step 2: Convert to fraction form
    326,162.16/450,060.30 = 180,965.61/x
  3. Step 3: Cross multiply
    326,162.16x = 450,060.30 × 180,965.61
  4. Step 4: Simplify right side
    326,162.16x = 81,445,436,726.28
  5. Step 5: Solve for x
    x = 81,445,436,726.28/326,162.16
  6. Step 6: Final answer
    x = 249,708.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.