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Finding the Fourth Proportional to 169,487.40, 254,134.76 and 131,005.32

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Solution

The fourth proportional to 169,487.40, 254,134.76 and 131,005.32 is: 196,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,487.40 : 254,134.76 = 131,005.32 : x
  2. Step 2: Convert to fraction form
    169,487.40/254,134.76 = 131,005.32/x
  3. Step 3: Cross multiply
    169,487.40x = 254,134.76 × 131,005.32
  4. Step 4: Simplify right side
    169,487.40x = 33,293,005,556.92
  5. Step 5: Solve for x
    x = 33,293,005,556.92/169,487.40
  6. Step 6: Final answer
    x = 196,433.51

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1.5x scale

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.