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Finding the Fourth Proportional to 169,580.63, 234,024.02 and 93,106.78

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Solution

The fourth proportional to 169,580.63, 234,024.02 and 93,106.78 is: 128,488.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,580.63 : 234,024.02 = 93,106.78 : x
  2. Step 2: Convert to fraction form
    169,580.63/234,024.02 = 93,106.78/x
  3. Step 3: Cross multiply
    169,580.63x = 234,024.02 × 93,106.78
  4. Step 4: Simplify right side
    169,580.63x = 21,789,222,944.86
  5. Step 5: Solve for x
    x = 21,789,222,944.86/169,580.63
  6. Step 6: Final answer
    x = 128,488.87

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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.