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Finding the Fourth Proportional to 88,721.01, 133,008.01 and 35,380.08

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Solution

The fourth proportional to 88,721.01, 133,008.01 and 35,380.08 is: 53,040.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,721.01 : 133,008.01 = 35,380.08 : x
  2. Step 2: Convert to fraction form
    88,721.01/133,008.01 = 35,380.08/x
  3. Step 3: Cross multiply
    88,721.01x = 133,008.01 × 35,380.08
  4. Step 4: Simplify right side
    88,721.01x = 4,705,833,945.99
  5. Step 5: Solve for x
    x = 4,705,833,945.99/88,721.01
  6. Step 6: Final answer
    x = 53,040.81

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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.