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Finding the Fourth Proportional to 100,807.35, 151,171.20 and 37,592.79

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Solution

The fourth proportional to 100,807.35, 151,171.20 and 37,592.79 is: 56,374.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,807.35 : 151,171.20 = 37,592.79 : x
  2. Step 2: Convert to fraction form
    100,807.35/151,171.20 = 37,592.79/x
  3. Step 3: Cross multiply
    100,807.35x = 151,171.20 × 37,592.79
  4. Step 4: Simplify right side
    100,807.35x = 5,682,947,175.65
  5. Step 5: Solve for x
    x = 5,682,947,175.65/100,807.35
  6. Step 6: Final answer
    x = 56,374.33

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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.