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Finding the Fourth Proportional to 176,696.58, 265,130.01 and 87,957.90

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Solution

The fourth proportional to 176,696.58, 265,130.01 and 87,957.90 is: 131,979.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,696.58 : 265,130.01 = 87,957.90 : x
  2. Step 2: Convert to fraction form
    176,696.58/265,130.01 = 87,957.90/x
  3. Step 3: Cross multiply
    176,696.58x = 265,130.01 × 87,957.90
  4. Step 4: Simplify right side
    176,696.58x = 23,320,278,906.58
  5. Step 5: Solve for x
    x = 23,320,278,906.58/176,696.58
  6. Step 6: Final answer
    x = 131,979.23

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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.