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Finding the Fourth Proportional to 113,833.67, 170,697.32 and 66,462.44

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Solution

The fourth proportional to 113,833.67, 170,697.32 and 66,462.44 is: 99,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,833.67 : 170,697.32 = 66,462.44 : x
  2. Step 2: Convert to fraction form
    113,833.67/170,697.32 = 66,462.44/x
  3. Step 3: Cross multiply
    113,833.67x = 170,697.32 × 66,462.44
  4. Step 4: Simplify right side
    113,833.67x = 11,344,960,056.35
  5. Step 5: Solve for x
    x = 11,344,960,056.35/113,833.67
  6. Step 6: Final answer
    x = 99,662.60

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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.