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Finding the Fourth Proportional to 111,393.62, 167,124.90 and 36,514.34

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Solution

The fourth proportional to 111,393.62, 167,124.90 and 36,514.34 is: 54,782.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,393.62 : 167,124.90 = 36,514.34 : x
  2. Step 2: Convert to fraction form
    111,393.62/167,124.90 = 36,514.34/x
  3. Step 3: Cross multiply
    111,393.62x = 167,124.90 × 36,514.34
  4. Step 4: Simplify right side
    111,393.62x = 6,102,455,421.07
  5. Step 5: Solve for x
    x = 6,102,455,421.07/111,393.62
  6. Step 6: Final answer
    x = 54,782.81

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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.