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Finding the Fourth Proportional to 169,317.40, 233,660.64 and 92,843.48

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Solution

The fourth proportional to 169,317.40, 233,660.64 and 92,843.48 is: 128,125.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,317.40 : 233,660.64 = 92,843.48 : x
  2. Step 2: Convert to fraction form
    169,317.40/233,660.64 = 92,843.48/x
  3. Step 3: Cross multiply
    169,317.40x = 233,660.64 × 92,843.48
  4. Step 4: Simplify right side
    169,317.40x = 21,693,866,956.63
  5. Step 5: Solve for x
    x = 21,693,866,956.63/169,317.40
  6. Step 6: Final answer
    x = 128,125.44

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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.