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Finding the Fourth Proportional to 158,696.16, 218,996.82 and 88,844.60

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Solution

The fourth proportional to 158,696.16, 218,996.82 and 88,844.60 is: 122,603.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,696.16 : 218,996.82 = 88,844.60 : x
  2. Step 2: Convert to fraction form
    158,696.16/218,996.82 = 88,844.60/x
  3. Step 3: Cross multiply
    158,696.16x = 218,996.82 × 88,844.60
  4. Step 4: Simplify right side
    158,696.16x = 19,456,684,874.17
  5. Step 5: Solve for x
    x = 19,456,684,874.17/158,696.16
  6. Step 6: Final answer
    x = 122,603.38

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1.5x scale

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.