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Finding the Fourth Proportional to 151,689.20, 227,533.80 and 100,950.80

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Solution

The fourth proportional to 151,689.20, 227,533.80 and 100,950.80 is: 151,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,689.20 : 227,533.80 = 100,950.80 : x
  2. Step 2: Convert to fraction form
    151,689.20/227,533.80 = 100,950.80/x
  3. Step 3: Cross multiply
    151,689.20x = 227,533.80 × 100,950.80
  4. Step 4: Simplify right side
    151,689.20x = 22,969,719,137.04
  5. Step 5: Solve for x
    x = 22,969,719,137.04/151,689.20
  6. Step 6: Final answer
    x = 151,426.20

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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.