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Finding the Fourth Proportional to 113,148.66, 169,793.08 and 65,786.04

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Solution

The fourth proportional to 113,148.66, 169,793.08 and 65,786.04 is: 98,719.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,148.66 : 169,793.08 = 65,786.04 : x
  2. Step 2: Convert to fraction form
    113,148.66/169,793.08 = 65,786.04/x
  3. Step 3: Cross multiply
    113,148.66x = 169,793.08 × 65,786.04
  4. Step 4: Simplify right side
    113,148.66x = 11,170,014,352.60
  5. Step 5: Solve for x
    x = 11,170,014,352.60/113,148.66
  6. Step 6: Final answer
    x = 98,719.81

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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.