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Finding the Fourth Proportional to 363,899.00, 545,931.59 and 111,215.45

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Solution

The fourth proportional to 363,899.00, 545,931.59 and 111,215.45 is: 166,848.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,899.00 : 545,931.59 = 111,215.45 : x
  2. Step 2: Convert to fraction form
    363,899.00/545,931.59 = 111,215.45/x
  3. Step 3: Cross multiply
    363,899.00x = 545,931.59 × 111,215.45
  4. Step 4: Simplify right side
    363,899.00x = 60,716,024,165.33
  5. Step 5: Solve for x
    x = 60,716,024,165.33/363,899.00
  6. Step 6: Final answer
    x = 166,848.56

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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.