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Finding the Fourth Proportional to 223,470.80, 335,222.40 and 134,532.80

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Solution

The fourth proportional to 223,470.80, 335,222.40 and 134,532.80 is: 201,808.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,470.80 : 335,222.40 = 134,532.80 : x
  2. Step 2: Convert to fraction form
    223,470.80/335,222.40 = 134,532.80/x
  3. Step 3: Cross multiply
    223,470.80x = 335,222.40 × 134,532.80
  4. Step 4: Simplify right side
    223,470.80x = 45,098,408,094.72
  5. Step 5: Solve for x
    x = 45,098,408,094.72/223,470.80
  6. Step 6: Final answer
    x = 201,808.95

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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.