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Finding the Fourth Proportional to 169,856.92, 234,400.86 and 94,403.80

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Solution

The fourth proportional to 169,856.92, 234,400.86 and 94,403.80 is: 130,276.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,856.92 : 234,400.86 = 94,403.80 : x
  2. Step 2: Convert to fraction form
    169,856.92/234,400.86 = 94,403.80/x
  3. Step 3: Cross multiply
    169,856.92x = 234,400.86 × 94,403.80
  4. Step 4: Simplify right side
    169,856.92x = 22,128,331,907.27
  5. Step 5: Solve for x
    x = 22,128,331,907.27/169,856.92
  6. Step 6: Final answer
    x = 130,276.30

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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.