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Finding the Fourth Proportional to 223,614.80, 335,577.72 and 144,532.88

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Solution

The fourth proportional to 223,614.80, 335,577.72 and 144,532.88 is: 216,899.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,614.80 : 335,577.72 = 144,532.88 : x
  2. Step 2: Convert to fraction form
    223,614.80/335,577.72 = 144,532.88/x
  3. Step 3: Cross multiply
    223,614.80x = 335,577.72 × 144,532.88
  4. Step 4: Simplify right side
    223,614.80x = 48,502,012,657.55
  5. Step 5: Solve for x
    x = 48,502,012,657.55/223,614.80
  6. Step 6: Final answer
    x = 216,899.84

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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.