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Finding the Fourth Proportional to 152,103.87, 227,041.74 and 134,148.02

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Solution

The fourth proportional to 152,103.87, 227,041.74 and 134,148.02 is: 200,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,103.87 : 227,041.74 = 134,148.02 : x
  2. Step 2: Convert to fraction form
    152,103.87/227,041.74 = 134,148.02/x
  3. Step 3: Cross multiply
    152,103.87x = 227,041.74 × 134,148.02
  4. Step 4: Simplify right side
    152,103.87x = 30,457,198,743.15
  5. Step 5: Solve for x
    x = 30,457,198,743.15/152,103.87
  6. Step 6: Final answer
    x = 200,239.47

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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.