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Finding the Fourth Proportional to 111,043.53, 166,298.40 and 63,514.53

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Solution

The fourth proportional to 111,043.53, 166,298.40 and 63,514.53 is: 95,119.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,043.53 : 166,298.40 = 63,514.53 : x
  2. Step 2: Convert to fraction form
    111,043.53/166,298.40 = 63,514.53/x
  3. Step 3: Cross multiply
    111,043.53x = 166,298.40 × 63,514.53
  4. Step 4: Simplify right side
    111,043.53x = 10,562,364,715.75
  5. Step 5: Solve for x
    x = 10,562,364,715.75/111,043.53
  6. Step 6: Final answer
    x = 95,119.14

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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.