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Finding the Fourth Proportional to 223,576.34, 308,426.94 and 132,868.10

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Solution

The fourth proportional to 223,576.34, 308,426.94 and 132,868.10 is: 183,293.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,576.34 : 308,426.94 = 132,868.10 : x
  2. Step 2: Convert to fraction form
    223,576.34/308,426.94 = 132,868.10/x
  3. Step 3: Cross multiply
    223,576.34x = 308,426.94 × 132,868.10
  4. Step 4: Simplify right side
    223,576.34x = 40,980,101,506.61
  5. Step 5: Solve for x
    x = 40,980,101,506.61/223,576.34
  6. Step 6: Final answer
    x = 183,293.55

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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.