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Finding the Fourth Proportional to 223,410.92, 308,378.96 and 143,054.96

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Solution

The fourth proportional to 223,410.92, 308,378.96 and 143,054.96 is: 197,461.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,410.92 : 308,378.96 = 143,054.96 : x
  2. Step 2: Convert to fraction form
    223,410.92/308,378.96 = 143,054.96/x
  3. Step 3: Cross multiply
    223,410.92x = 308,378.96 × 143,054.96
  4. Step 4: Simplify right side
    223,410.92x = 44,115,139,787.64
  5. Step 5: Solve for x
    x = 44,115,139,787.64/223,410.92
  6. Step 6: Final answer
    x = 197,461.88

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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.