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Finding the Fourth Proportional to 170,245.31, 234,936.32 and 93,762.95

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Solution

The fourth proportional to 170,245.31, 234,936.32 and 93,762.95 is: 129,391.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,245.31 : 234,936.32 = 93,762.95 : x
  2. Step 2: Convert to fraction form
    170,245.31/234,936.32 = 93,762.95/x
  3. Step 3: Cross multiply
    170,245.31x = 234,936.32 × 93,762.95
  4. Step 4: Simplify right side
    170,245.31x = 22,028,320,781.85
  5. Step 5: Solve for x
    x = 22,028,320,781.85/170,245.31
  6. Step 6: Final answer
    x = 129,391.65

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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.