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Finding the Fourth Proportional to 169,709, 234,203.28 and 94,262.36

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Solution

The fourth proportional to 169,709, 234,203.28 and 94,262.36 is: 130,084.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,709 : 234,203.28 = 94,262.36 : x
  2. Step 2: Convert to fraction form
    169,709/234,203.28 = 94,262.36/x
  3. Step 3: Cross multiply
    169,709x = 234,203.28 × 94,262.36
  4. Step 4: Simplify right side
    169,709x = 22,076,553,892.54
  5. Step 5: Solve for x
    x = 22,076,553,892.54/169,709
  6. Step 6: Final answer
    x = 130,084.76

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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.