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Finding the Fourth Proportional to 100,560.84, 150,857.67 and 34,004.90

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Solution

The fourth proportional to 100,560.84, 150,857.67 and 34,004.90 is: 51,012.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,560.84 : 150,857.67 = 34,004.90 : x
  2. Step 2: Convert to fraction form
    100,560.84/150,857.67 = 34,004.90/x
  3. Step 3: Cross multiply
    100,560.84x = 150,857.67 × 34,004.90
  4. Step 4: Simplify right side
    100,560.84x = 5,129,899,228.29
  5. Step 5: Solve for x
    x = 5,129,899,228.29/100,560.84
  6. Step 6: Final answer
    x = 51,012.89

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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.