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Finding the Fourth Proportional to 111,196.25, 166,811.66 and 37,341.53

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Solution

The fourth proportional to 111,196.25, 166,811.66 and 37,341.53 is: 56,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,196.25 : 166,811.66 = 37,341.53 : x
  2. Step 2: Convert to fraction form
    111,196.25/166,811.66 = 37,341.53/x
  3. Step 3: Cross multiply
    111,196.25x = 166,811.66 × 37,341.53
  4. Step 4: Simplify right side
    111,196.25x = 6,229,002,419.53
  5. Step 5: Solve for x
    x = 6,229,002,419.53/111,196.25
  6. Step 6: Final answer
    x = 56,018.10

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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.