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Finding the Fourth Proportional to 160,601.28, 240,934.24 and 55,424.32

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Solution

The fourth proportional to 160,601.28, 240,934.24 and 55,424.32 is: 83,147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,601.28 : 240,934.24 = 55,424.32 : x
  2. Step 2: Convert to fraction form
    160,601.28/240,934.24 = 55,424.32/x
  3. Step 3: Cross multiply
    160,601.28x = 240,934.24 × 55,424.32
  4. Step 4: Simplify right side
    160,601.28x = 13,353,616,416.72
  5. Step 5: Solve for x
    x = 13,353,616,416.72/160,601.28
  6. Step 6: Final answer
    x = 83,147.63

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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.