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Finding the Fourth Proportional to 169,940.16, 234,491.13 and 98,326.86

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Solution

The fourth proportional to 169,940.16, 234,491.13 and 98,326.86 is: 135,675.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,940.16 : 234,491.13 = 98,326.86 : x
  2. Step 2: Convert to fraction form
    169,940.16/234,491.13 = 98,326.86/x
  3. Step 3: Cross multiply
    169,940.16x = 234,491.13 × 98,326.86
  4. Step 4: Simplify right side
    169,940.16x = 23,056,776,510.75
  5. Step 5: Solve for x
    x = 23,056,776,510.75/169,940.16
  6. Step 6: Final answer
    x = 135,675.86

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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.