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Finding the Fourth Proportional to 172,228.82, 237,677.04 and 94,705.82

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Solution

The fourth proportional to 172,228.82, 237,677.04 and 94,705.82 is: 130,694.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,228.82 : 237,677.04 = 94,705.82 : x
  2. Step 2: Convert to fraction form
    172,228.82/237,677.04 = 94,705.82/x
  3. Step 3: Cross multiply
    172,228.82x = 237,677.04 × 94,705.82
  4. Step 4: Simplify right side
    172,228.82x = 22,509,398,968.37
  5. Step 5: Solve for x
    x = 22,509,398,968.37/172,228.82
  6. Step 6: Final answer
    x = 130,694.73

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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.