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Finding the Fourth Proportional to 101,223.80, 151,878.90 and 48,606.20

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Solution

The fourth proportional to 101,223.80, 151,878.90 and 48,606.20 is: 72,930.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,223.80 : 151,878.90 = 48,606.20 : x
  2. Step 2: Convert to fraction form
    101,223.80/151,878.90 = 48,606.20/x
  3. Step 3: Cross multiply
    101,223.80x = 151,878.90 × 48,606.20
  4. Step 4: Simplify right side
    101,223.80x = 7,382,256,189.18
  5. Step 5: Solve for x
    x = 7,382,256,189.18/101,223.80
  6. Step 6: Final answer
    x = 72,930.04

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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.