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Finding the Fourth Proportional to 152,143.38, 227,100.38 and 134,187.57

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Solution

The fourth proportional to 152,143.38, 227,100.38 and 134,187.57 is: 200,298.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,143.38 : 227,100.38 = 134,187.57 : x
  2. Step 2: Convert to fraction form
    152,143.38/227,100.38 = 134,187.57/x
  3. Step 3: Cross multiply
    152,143.38x = 227,100.38 × 134,187.57
  4. Step 4: Simplify right side
    152,143.38x = 30,474,047,467.34
  5. Step 5: Solve for x
    x = 30,474,047,467.34/152,143.38
  6. Step 6: Final answer
    x = 200,298.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.