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Finding the Fourth Proportional to 176,858.61, 265,121.16 and 88,028.15

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Solution

The fourth proportional to 176,858.61, 265,121.16 and 88,028.15 is: 131,959.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,858.61 : 265,121.16 = 88,028.15 : x
  2. Step 2: Convert to fraction form
    176,858.61/265,121.16 = 88,028.15/x
  3. Step 3: Cross multiply
    176,858.61x = 265,121.16 × 88,028.15
  4. Step 4: Simplify right side
    176,858.61x = 23,338,123,915.05
  5. Step 5: Solve for x
    x = 23,338,123,915.05/176,858.61
  6. Step 6: Final answer
    x = 131,959.22

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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.