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Finding the Fourth Proportional to 223,762.32, 335,591.28 and 143,557.92

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Solution

The fourth proportional to 223,762.32, 335,591.28 and 143,557.92 is: 215,303.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,762.32 : 335,591.28 = 143,557.92 : x
  2. Step 2: Convert to fraction form
    223,762.32/335,591.28 = 143,557.92/x
  3. Step 3: Cross multiply
    223,762.32x = 335,591.28 × 143,557.92
  4. Step 4: Simplify right side
    223,762.32x = 48,176,786,126.94
  5. Step 5: Solve for x
    x = 48,176,786,126.94/223,762.32
  6. Step 6: Final answer
    x = 215,303.39

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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.