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Finding the Fourth Proportional to 169,693.65, 234,163.58 and 98,078.31

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Solution

The fourth proportional to 169,693.65, 234,163.58 and 98,078.31 is: 135,340.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,693.65 : 234,163.58 = 98,078.31 : x
  2. Step 2: Convert to fraction form
    169,693.65/234,163.58 = 98,078.31/x
  3. Step 3: Cross multiply
    169,693.65x = 234,163.58 × 98,078.31
  4. Step 4: Simplify right side
    169,693.65x = 22,966,367,699.56
  5. Step 5: Solve for x
    x = 22,966,367,699.56/169,693.65
  6. Step 6: Final answer
    x = 135,340.17

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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.