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Finding the Fourth Proportional to 176,696.35, 265,129.58 and 87,957.61

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Solution

The fourth proportional to 176,696.35, 265,129.58 and 87,957.61 is: 131,978.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,696.35 : 265,129.58 = 87,957.61 : x
  2. Step 2: Convert to fraction form
    176,696.35/265,129.58 = 87,957.61/x
  3. Step 3: Cross multiply
    176,696.35x = 265,129.58 × 87,957.61
  4. Step 4: Simplify right side
    176,696.35x = 23,320,163,094.49
  5. Step 5: Solve for x
    x = 23,320,163,094.49/176,696.35
  6. Step 6: Final answer
    x = 131,978.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.