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Finding the Fourth Proportional to 363,754.16, 545,631.28 and 111,036

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Solution

The fourth proportional to 363,754.16, 545,631.28 and 111,036 is: 166,554.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,754.16 : 545,631.28 = 111,036 : x
  2. Step 2: Convert to fraction form
    363,754.16/545,631.28 = 111,036/x
  3. Step 3: Cross multiply
    363,754.16x = 545,631.28 × 111,036
  4. Step 4: Simplify right side
    363,754.16x = 60,584,714,806.08
  5. Step 5: Solve for x
    x = 60,584,714,806.08/363,754.16
  6. Step 6: Final answer
    x = 166,554.01

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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.