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Finding the Fourth Proportional to 150,614.81, 225,923.84 and 45,434.69

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Solution

The fourth proportional to 150,614.81, 225,923.84 and 45,434.69 is: 68,152.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,614.81 : 225,923.84 = 45,434.69 : x
  2. Step 2: Convert to fraction form
    150,614.81/225,923.84 = 45,434.69/x
  3. Step 3: Cross multiply
    150,614.81x = 225,923.84 × 45,434.69
  4. Step 4: Simplify right side
    150,614.81x = 10,264,778,277.22
  5. Step 5: Solve for x
    x = 10,264,778,277.22/150,614.81
  6. Step 6: Final answer
    x = 68,152.52

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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.