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Finding the Fourth Proportional to 170,768.77, 235,664.61 and 94,287.61

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Solution

The fourth proportional to 170,768.77, 235,664.61 and 94,287.61 is: 130,118.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,768.77 : 235,664.61 = 94,287.61 : x
  2. Step 2: Convert to fraction form
    170,768.77/235,664.61 = 94,287.61/x
  3. Step 3: Cross multiply
    170,768.77x = 235,664.61 × 94,287.61
  4. Step 4: Simplify right side
    170,768.77x = 22,220,252,838.48
  5. Step 5: Solve for x
    x = 22,220,252,838.48/170,768.77
  6. Step 6: Final answer
    x = 130,118.95

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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.