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Finding the Fourth Proportional to 86,836.71, 130,193.56 and 33,483.50

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Solution

The fourth proportional to 86,836.71, 130,193.56 and 33,483.50 is: 50,201.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,836.71 : 130,193.56 = 33,483.50 : x
  2. Step 2: Convert to fraction form
    86,836.71/130,193.56 = 33,483.50/x
  3. Step 3: Cross multiply
    86,836.71x = 130,193.56 × 33,483.50
  4. Step 4: Simplify right side
    86,836.71x = 4,359,336,066.26
  5. Step 5: Solve for x
    x = 4,359,336,066.26/86,836.71
  6. Step 6: Final answer
    x = 50,201.53

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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.