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Finding the Fourth Proportional to 169,091.70, 253,730.92 and 94,254

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Solution

The fourth proportional to 169,091.70, 253,730.92 and 94,254 is: 141,433.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,091.70 : 253,730.92 = 94,254 : x
  2. Step 2: Convert to fraction form
    169,091.70/253,730.92 = 94,254/x
  3. Step 3: Cross multiply
    169,091.70x = 253,730.92 × 94,254
  4. Step 4: Simplify right side
    169,091.70x = 23,915,154,133.68
  5. Step 5: Solve for x
    x = 23,915,154,133.68/169,091.70
  6. Step 6: Final answer
    x = 141,433.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.