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Finding the Fourth Proportional to 223,406.92, 308,373.42 and 143,050.96

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Solution

The fourth proportional to 223,406.92, 308,373.42 and 143,050.96 is: 197,456.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,406.92 : 308,373.42 = 143,050.96 : x
  2. Step 2: Convert to fraction form
    223,406.92/308,373.42 = 143,050.96/x
  3. Step 3: Cross multiply
    223,406.92x = 308,373.42 × 143,050.96
  4. Step 4: Simplify right side
    223,406.92x = 44,113,113,769.48
  5. Step 5: Solve for x
    x = 44,113,113,769.48/223,406.92
  6. Step 6: Final answer
    x = 197,456.34

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1.5x scale

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.