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Finding the Fourth Proportional to 169,265.30, 253,759.37 and 84,923.64

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Solution

The fourth proportional to 169,265.30, 253,759.37 and 84,923.64 is: 127,315.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,265.30 : 253,759.37 = 84,923.64 : x
  2. Step 2: Convert to fraction form
    169,265.30/253,759.37 = 84,923.64/x
  3. Step 3: Cross multiply
    169,265.30x = 253,759.37 × 84,923.64
  4. Step 4: Simplify right side
    169,265.30x = 21,550,168,959.89
  5. Step 5: Solve for x
    x = 21,550,168,959.89/169,265.30
  6. Step 6: Final answer
    x = 127,315.93

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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.