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Finding the Fourth Proportional to 107,156.62, 160,719.13 and 28,276.39

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Solution

The fourth proportional to 107,156.62, 160,719.13 and 28,276.39 is: 42,410.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,156.62 : 160,719.13 = 28,276.39 : x
  2. Step 2: Convert to fraction form
    107,156.62/160,719.13 = 28,276.39/x
  3. Step 3: Cross multiply
    107,156.62x = 160,719.13 × 28,276.39
  4. Step 4: Simplify right side
    107,156.62x = 4,544,555,855.36
  5. Step 5: Solve for x
    x = 4,544,555,855.36/107,156.62
  6. Step 6: Final answer
    x = 42,410.41

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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.