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Finding the Fourth Proportional to 80,133.37, 110,532.09 and 63,110.00

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Solution

The fourth proportional to 80,133.37, 110,532.09 and 63,110.00 is: 87,050.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,133.37 : 110,532.09 = 63,110.00 : x
  2. Step 2: Convert to fraction form
    80,133.37/110,532.09 = 63,110.00/x
  3. Step 3: Cross multiply
    80,133.37x = 110,532.09 × 63,110.00
  4. Step 4: Simplify right side
    80,133.37x = 6,975,680,712.89
  5. Step 5: Solve for x
    x = 6,975,680,712.89/80,133.37
  6. Step 6: Final answer
    x = 87,050.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.