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Finding the Fourth Proportional to 170,202.84, 234,879.84 and 94,769.16

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Solution

The fourth proportional to 170,202.84, 234,879.84 and 94,769.16 is: 130,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,202.84 : 234,879.84 = 94,769.16 : x
  2. Step 2: Convert to fraction form
    170,202.84/234,879.84 = 94,769.16/x
  3. Step 3: Cross multiply
    170,202.84x = 234,879.84 × 94,769.16
  4. Step 4: Simplify right side
    170,202.84x = 22,259,365,137.73
  5. Step 5: Solve for x
    x = 22,259,365,137.73/170,202.84
  6. Step 6: Final answer
    x = 130,781.40

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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.