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Finding the Fourth Proportional to 113,259.28, 169,887.84 and 30,153.28

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Solution

The fourth proportional to 113,259.28, 169,887.84 and 30,153.28 is: 45,229.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,259.28 : 169,887.84 = 30,153.28 : x
  2. Step 2: Convert to fraction form
    113,259.28/169,887.84 = 30,153.28/x
  3. Step 3: Cross multiply
    113,259.28x = 169,887.84 × 30,153.28
  4. Step 4: Simplify right side
    113,259.28x = 5,122,675,608.12
  5. Step 5: Solve for x
    x = 5,122,675,608.12/113,259.28
  6. Step 6: Final answer
    x = 45,229.63

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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.