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Finding the Fourth Proportional to 170,857.80, 235,786.03 and 94,376.70

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Solution

The fourth proportional to 170,857.80, 235,786.03 and 94,376.70 is: 130,241.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,857.80 : 235,786.03 = 94,376.70 : x
  2. Step 2: Convert to fraction form
    170,857.80/235,786.03 = 94,376.70/x
  3. Step 3: Cross multiply
    170,857.80x = 235,786.03 × 94,376.70
  4. Step 4: Simplify right side
    170,857.80x = 22,252,707,417.50
  5. Step 5: Solve for x
    x = 22,252,707,417.50/170,857.80
  6. Step 6: Final answer
    x = 130,241.10

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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.