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Finding the Fourth Proportional to 169,827.84, 234,362.45 and 93,351.87

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Solution

The fourth proportional to 169,827.84, 234,362.45 and 93,351.87 is: 128,825.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,827.84 : 234,362.45 = 93,351.87 : x
  2. Step 2: Convert to fraction form
    169,827.84/234,362.45 = 93,351.87/x
  3. Step 3: Cross multiply
    169,827.84x = 234,362.45 × 93,351.87
  4. Step 4: Simplify right side
    169,827.84x = 21,878,172,408.24
  5. Step 5: Solve for x
    x = 21,878,172,408.24/169,827.84
  6. Step 6: Final answer
    x = 128,825.59

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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.