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Finding the Fourth Proportional to 89,392.16, 134,100.08 and 30,244.76

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Solution

The fourth proportional to 89,392.16, 134,100.08 and 30,244.76 is: 45,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,392.16 : 134,100.08 = 30,244.76 : x
  2. Step 2: Convert to fraction form
    89,392.16/134,100.08 = 30,244.76/x
  3. Step 3: Cross multiply
    89,392.16x = 134,100.08 × 30,244.76
  4. Step 4: Simplify right side
    89,392.16x = 4,055,824,735.58
  5. Step 5: Solve for x
    x = 4,055,824,735.58/89,392.16
  6. Step 6: Final answer
    x = 45,371.15

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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.