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Finding the Fourth Proportional to 101,871.08, 152,807.67 and 30,794.30

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Solution

The fourth proportional to 101,871.08, 152,807.67 and 30,794.30 is: 46,191.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,871.08 : 152,807.67 = 30,794.30 : x
  2. Step 2: Convert to fraction form
    101,871.08/152,807.67 = 30,794.30/x
  3. Step 3: Cross multiply
    101,871.08x = 152,807.67 × 30,794.30
  4. Step 4: Simplify right side
    101,871.08x = 4,705,605,232.28
  5. Step 5: Solve for x
    x = 4,705,605,232.28/101,871.08
  6. Step 6: Final answer
    x = 46,191.77

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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.