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Finding the Fourth Proportional to 169,385.92, 233,735.72 and 97,789.01

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Solution

The fourth proportional to 169,385.92, 233,735.72 and 97,789.01 is: 134,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,385.92 : 233,735.72 = 97,789.01 : x
  2. Step 2: Convert to fraction form
    169,385.92/233,735.72 = 97,789.01/x
  3. Step 3: Cross multiply
    169,385.92x = 233,735.72 × 97,789.01
  4. Step 4: Simplify right side
    169,385.92x = 22,856,783,002.81
  5. Step 5: Solve for x
    x = 22,856,783,002.81/169,385.92
  6. Step 6: Final answer
    x = 134,939.10

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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.