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Finding the Fourth Proportional to 169,933.70, 234,514.52 and 93,458.70

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Solution

The fourth proportional to 169,933.70, 234,514.52 and 93,458.70 is: 128,976.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,933.70 : 234,514.52 = 93,458.70 : x
  2. Step 2: Convert to fraction form
    169,933.70/234,514.52 = 93,458.70/x
  3. Step 3: Cross multiply
    169,933.70x = 234,514.52 × 93,458.70
  4. Step 4: Simplify right side
    169,933.70x = 21,917,422,756.61
  5. Step 5: Solve for x
    x = 21,917,422,756.61/169,933.70
  6. Step 6: Final answer
    x = 128,976.32

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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.