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Finding the Fourth Proportional to 225,693.63, 338,562.78 and 83,576.82

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Solution

The fourth proportional to 225,693.63, 338,562.78 and 83,576.82 is: 125,373.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,693.63 : 338,562.78 = 83,576.82 : x
  2. Step 2: Convert to fraction form
    225,693.63/338,562.78 = 83,576.82/x
  3. Step 3: Cross multiply
    225,693.63x = 338,562.78 × 83,576.82
  4. Step 4: Simplify right side
    225,693.63x = 28,296,000,522.76
  5. Step 5: Solve for x
    x = 28,296,000,522.76/225,693.63
  6. Step 6: Final answer
    x = 125,373.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.