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Finding the Fourth Proportional to 263,632.46, 363,848.99 and 161,639.88

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Solution

The fourth proportional to 263,632.46, 363,848.99 and 161,639.88 is: 223,085.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,632.46 : 363,848.99 = 161,639.88 : x
  2. Step 2: Convert to fraction form
    263,632.46/363,848.99 = 161,639.88/x
  3. Step 3: Cross multiply
    263,632.46x = 363,848.99 × 161,639.88
  4. Step 4: Simplify right side
    263,632.46x = 58,812,506,273.52
  5. Step 5: Solve for x
    x = 58,812,506,273.52/263,632.46
  6. Step 6: Final answer
    x = 223,085.23

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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.