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Finding the Fourth Proportional to 223,580.76, 308,439.68 and 132,885.19

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Solution

The fourth proportional to 223,580.76, 308,439.68 and 132,885.19 is: 183,321.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,580.76 : 308,439.68 = 132,885.19 : x
  2. Step 2: Convert to fraction form
    223,580.76/308,439.68 = 132,885.19/x
  3. Step 3: Cross multiply
    223,580.76x = 308,439.68 × 132,885.19
  4. Step 4: Simplify right side
    223,580.76x = 40,987,064,815.91
  5. Step 5: Solve for x
    x = 40,987,064,815.91/223,580.76
  6. Step 6: Final answer
    x = 183,321.07

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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.