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Finding the Fourth Proportional to 111,316.01, 166,989.74 and 36,442.24

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Solution

The fourth proportional to 111,316.01, 166,989.74 and 36,442.24 is: 54,668.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,316.01 : 166,989.74 = 36,442.24 : x
  2. Step 2: Convert to fraction form
    111,316.01/166,989.74 = 36,442.24/x
  3. Step 3: Cross multiply
    111,316.01x = 166,989.74 × 36,442.24
  4. Step 4: Simplify right side
    111,316.01x = 6,085,479,582.93
  5. Step 5: Solve for x
    x = 6,085,479,582.93/111,316.01
  6. Step 6: Final answer
    x = 54,668.51

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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.