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Finding the Fourth Proportional to 100,588.30, 150,902.70 and 29,510.80

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Solution

The fourth proportional to 100,588.30, 150,902.70 and 29,510.80 is: 44,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,588.30 : 150,902.70 = 29,510.80 : x
  2. Step 2: Convert to fraction form
    100,588.30/150,902.70 = 29,510.80/x
  3. Step 3: Cross multiply
    100,588.30x = 150,902.70 × 29,510.80
  4. Step 4: Simplify right side
    100,588.30x = 4,453,259,399.16
  5. Step 5: Solve for x
    x = 4,453,259,399.16/100,588.30
  6. Step 6: Final answer
    x = 44,272.14

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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.