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Finding the Fourth Proportional to 105,505.52, 158,252.76 and 26,620.48

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Solution

The fourth proportional to 105,505.52, 158,252.76 and 26,620.48 is: 39,929.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,505.52 : 158,252.76 = 26,620.48 : x
  2. Step 2: Convert to fraction form
    105,505.52/158,252.76 = 26,620.48/x
  3. Step 3: Cross multiply
    105,505.52x = 158,252.76 × 26,620.48
  4. Step 4: Simplify right side
    105,505.52x = 4,212,764,432.52
  5. Step 5: Solve for x
    x = 4,212,764,432.52/105,505.52
  6. Step 6: Final answer
    x = 39,929.33

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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.