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Finding the Fourth Proportional to 169,370.71, 233,731.58 and 93,919.21

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Solution

The fourth proportional to 169,370.71, 233,731.58 and 93,919.21 is: 129,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,370.71 : 233,731.58 = 93,919.21 : x
  2. Step 2: Convert to fraction form
    169,370.71/233,731.58 = 93,919.21/x
  3. Step 3: Cross multiply
    169,370.71x = 233,731.58 × 93,919.21
  4. Step 4: Simplify right side
    169,370.71x = 21,951,885,345.65
  5. Step 5: Solve for x
    x = 21,951,885,345.65/169,370.71
  6. Step 6: Final answer
    x = 129,608.51

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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.