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Finding the Fourth Proportional to 101,873.97, 152,851.46 and 45,698.85

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Solution

The fourth proportional to 101,873.97, 152,851.46 and 45,698.85 is: 68,566.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,873.97 : 152,851.46 = 45,698.85 : x
  2. Step 2: Convert to fraction form
    101,873.97/152,851.46 = 45,698.85/x
  3. Step 3: Cross multiply
    101,873.97x = 152,851.46 × 45,698.85
  4. Step 4: Simplify right side
    101,873.97x = 6,985,135,714.33
  5. Step 5: Solve for x
    x = 6,985,135,714.33/101,873.97
  6. Step 6: Final answer
    x = 68,566.44

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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.