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Finding the Fourth Proportional to 170,218.67, 234,866.16 and 98,594.42

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Solution

The fourth proportional to 170,218.67, 234,866.16 and 98,594.42 is: 136,039.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,218.67 : 234,866.16 = 98,594.42 : x
  2. Step 2: Convert to fraction form
    170,218.67/234,866.16 = 98,594.42/x
  3. Step 3: Cross multiply
    170,218.67x = 234,866.16 × 98,594.42
  4. Step 4: Simplify right side
    170,218.67x = 23,156,491,648.50
  5. Step 5: Solve for x
    x = 23,156,491,648.50/170,218.67
  6. Step 6: Final answer
    x = 136,039.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.