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Finding the Fourth Proportional to 86,717.94, 130,076.94 and 24,388.44

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Solution

The fourth proportional to 86,717.94, 130,076.94 and 24,388.44 is: 36,582.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,717.94 : 130,076.94 = 24,388.44 : x
  2. Step 2: Convert to fraction form
    86,717.94/130,076.94 = 24,388.44/x
  3. Step 3: Cross multiply
    86,717.94x = 130,076.94 × 24,388.44
  4. Step 4: Simplify right side
    86,717.94x = 3,172,373,646.57
  5. Step 5: Solve for x
    x = 3,172,373,646.57/86,717.94
  6. Step 6: Final answer
    x = 36,582.67

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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.