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Finding the Fourth Proportional to 169,783.30, 234,300.91 and 94,331.80

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Solution

The fourth proportional to 169,783.30, 234,300.91 and 94,331.80 is: 130,177.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,783.30 : 234,300.91 = 94,331.80 : x
  2. Step 2: Convert to fraction form
    169,783.30/234,300.91 = 94,331.80/x
  3. Step 3: Cross multiply
    169,783.30x = 234,300.91 × 94,331.80
  4. Step 4: Simplify right side
    169,783.30x = 22,102,026,581.94
  5. Step 5: Solve for x
    x = 22,102,026,581.94/169,783.30
  6. Step 6: Final answer
    x = 130,177.86

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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.