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Finding the Fourth Proportional to 100,598.30, 150,917.70 and 29,520.80

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Solution

The fourth proportional to 100,598.30, 150,917.70 and 29,520.80 is: 44,287.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,598.30 : 150,917.70 = 29,520.80 : x
  2. Step 2: Convert to fraction form
    100,598.30/150,917.70 = 29,520.80/x
  3. Step 3: Cross multiply
    100,598.30x = 150,917.70 × 29,520.80
  4. Step 4: Simplify right side
    100,598.30x = 4,455,211,238.16
  5. Step 5: Solve for x
    x = 4,455,211,238.16/100,598.30
  6. Step 6: Final answer
    x = 44,287.14

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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.