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Finding the Fourth Proportional to 169,515.87, 233,934.87 and 93,042.12

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Solution

The fourth proportional to 169,515.87, 233,934.87 and 93,042.12 is: 128,399.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,515.87 : 233,934.87 = 93,042.12 : x
  2. Step 2: Convert to fraction form
    169,515.87/233,934.87 = 93,042.12/x
  3. Step 3: Cross multiply
    169,515.87x = 233,934.87 × 93,042.12
  4. Step 4: Simplify right side
    169,515.87x = 21,765,796,246.72
  5. Step 5: Solve for x
    x = 21,765,796,246.72/169,515.87
  6. Step 6: Final answer
    x = 128,399.76

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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.