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Finding the Fourth Proportional to 250,424.70, 375,654.22 and 100,665.12

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Solution

The fourth proportional to 250,424.70, 375,654.22 and 100,665.12 is: 151,004.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,424.70 : 375,654.22 = 100,665.12 : x
  2. Step 2: Convert to fraction form
    250,424.70/375,654.22 = 100,665.12/x
  3. Step 3: Cross multiply
    250,424.70x = 375,654.22 × 100,665.12
  4. Step 4: Simplify right side
    250,424.70x = 37,815,277,134.81
  5. Step 5: Solve for x
    x = 37,815,277,134.81/250,424.70
  6. Step 6: Final answer
    x = 151,004.58

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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.