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Finding the Fourth Proportional to 133,404.77, 200,107.16 and 63,245.81

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Solution

The fourth proportional to 133,404.77, 200,107.16 and 63,245.81 is: 94,868.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,404.77 : 200,107.16 = 63,245.81 : x
  2. Step 2: Convert to fraction form
    133,404.77/200,107.16 = 63,245.81/x
  3. Step 3: Cross multiply
    133,404.77x = 200,107.16 × 63,245.81
  4. Step 4: Simplify right side
    133,404.77x = 12,655,939,421.00
  5. Step 5: Solve for x
    x = 12,655,939,421.00/133,404.77
  6. Step 6: Final answer
    x = 94,868.72

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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.