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Finding the Fourth Proportional to 169,857, 234,417.24 and 94,420.08

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Solution

The fourth proportional to 169,857, 234,417.24 and 94,420.08 is: 130,307.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,857 : 234,417.24 = 94,420.08 : x
  2. Step 2: Convert to fraction form
    169,857/234,417.24 = 94,420.08/x
  3. Step 3: Cross multiply
    169,857x = 234,417.24 × 94,420.08
  4. Step 4: Simplify right side
    169,857x = 22,133,694,554.18
  5. Step 5: Solve for x
    x = 22,133,694,554.18/169,857
  6. Step 6: Final answer
    x = 130,307.82

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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.