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Finding the Fourth Proportional to 170,153.99, 234,808.36 and 93,672.47

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Solution

The fourth proportional to 170,153.99, 234,808.36 and 93,672.47 is: 129,265.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,153.99 : 234,808.36 = 93,672.47 : x
  2. Step 2: Convert to fraction form
    170,153.99/234,808.36 = 93,672.47/x
  3. Step 3: Cross multiply
    170,153.99x = 234,808.36 × 93,672.47
  4. Step 4: Simplify right side
    170,153.99x = 21,995,079,057.85
  5. Step 5: Solve for x
    x = 21,995,079,057.85/170,153.99
  6. Step 6: Final answer
    x = 129,265.73

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1.5x scale

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.