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Finding the Fourth Proportional to 100,316.84, 150,662.57 and 88,313.24

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Solution

The fourth proportional to 100,316.84, 150,662.57 and 88,313.24 is: 132,634.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,316.84 : 150,662.57 = 88,313.24 : x
  2. Step 2: Convert to fraction form
    100,316.84/150,662.57 = 88,313.24/x
  3. Step 3: Cross multiply
    100,316.84x = 150,662.57 × 88,313.24
  4. Step 4: Simplify right side
    100,316.84x = 13,305,499,638.52
  5. Step 5: Solve for x
    x = 13,305,499,638.52/100,316.84
  6. Step 6: Final answer
    x = 132,634.76

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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.