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Finding the Fourth Proportional to 100,010.08, 150,011.16 and 25,130.80

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Solution

The fourth proportional to 100,010.08, 150,011.16 and 25,130.80 is: 37,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,010.08 : 150,011.16 = 25,130.80 : x
  2. Step 2: Convert to fraction form
    100,010.08/150,011.16 = 25,130.80/x
  3. Step 3: Cross multiply
    100,010.08x = 150,011.16 × 25,130.80
  4. Step 4: Simplify right side
    100,010.08x = 3,769,900,459.73
  5. Step 5: Solve for x
    x = 3,769,900,459.73/100,010.08
  6. Step 6: Final answer
    x = 37,695.20

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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.