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Finding the Fourth Proportional to 107,646.61, 161,469.74 and 36,576.64

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Solution

The fourth proportional to 107,646.61, 161,469.74 and 36,576.64 is: 54,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,646.61 : 161,469.74 = 36,576.64 : x
  2. Step 2: Convert to fraction form
    107,646.61/161,469.74 = 36,576.64/x
  3. Step 3: Cross multiply
    107,646.61x = 161,469.74 × 36,576.64
  4. Step 4: Simplify right side
    107,646.61x = 5,906,020,550.87
  5. Step 5: Solve for x
    x = 5,906,020,550.87/107,646.61
  6. Step 6: Final answer
    x = 54,864.90

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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.