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Finding the Fourth Proportional to 111,514.76, 167,228.52 and 40,420.52

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Solution

The fourth proportional to 111,514.76, 167,228.52 and 40,420.52 is: 60,614.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,514.76 : 167,228.52 = 40,420.52 : x
  2. Step 2: Convert to fraction form
    111,514.76/167,228.52 = 40,420.52/x
  3. Step 3: Cross multiply
    111,514.76x = 167,228.52 × 40,420.52
  4. Step 4: Simplify right side
    111,514.76x = 6,759,463,737.23
  5. Step 5: Solve for x
    x = 6,759,463,737.23/111,514.76
  6. Step 6: Final answer
    x = 60,614.97

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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.