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Finding the Fourth Proportional to 89,082.64, 122,934.04 and 48,798.92

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Solution

The fourth proportional to 89,082.64, 122,934.04 and 48,798.92 is: 67,342.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,082.64 : 122,934.04 = 48,798.92 : x
  2. Step 2: Convert to fraction form
    89,082.64/122,934.04 = 48,798.92/x
  3. Step 3: Cross multiply
    89,082.64x = 122,934.04 × 48,798.92
  4. Step 4: Simplify right side
    89,082.64x = 5,999,048,383.24
  5. Step 5: Solve for x
    x = 5,999,048,383.24/89,082.64
  6. Step 6: Final answer
    x = 67,342.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.