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Finding the Fourth Proportional to 223,954.52, 335,929.68 and 90,803.13

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Solution

The fourth proportional to 223,954.52, 335,929.68 and 90,803.13 is: 136,203.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,954.52 : 335,929.68 = 90,803.13 : x
  2. Step 2: Convert to fraction form
    223,954.52/335,929.68 = 90,803.13/x
  3. Step 3: Cross multiply
    223,954.52x = 335,929.68 × 90,803.13
  4. Step 4: Simplify right side
    223,954.52x = 30,503,466,403.90
  5. Step 5: Solve for x
    x = 30,503,466,403.90/223,954.52
  6. Step 6: Final answer
    x = 136,203.85

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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.