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Finding the Fourth Proportional to 169,998.12, 234,605.70 and 94,545

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Solution

The fourth proportional to 169,998.12, 234,605.70 and 94,545 is: 130,476.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,998.12 : 234,605.70 = 94,545 : x
  2. Step 2: Convert to fraction form
    169,998.12/234,605.70 = 94,545/x
  3. Step 3: Cross multiply
    169,998.12x = 234,605.70 × 94,545
  4. Step 4: Simplify right side
    169,998.12x = 22,180,795,906.50
  5. Step 5: Solve for x
    x = 22,180,795,906.50/169,998.12
  6. Step 6: Final answer
    x = 130,476.71

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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.