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Finding the Fourth Proportional to 160,878.63, 222,004.93 and 88,279.89

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Solution

The fourth proportional to 160,878.63, 222,004.93 and 88,279.89 is: 121,822.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,878.63 : 222,004.93 = 88,279.89 : x
  2. Step 2: Convert to fraction form
    160,878.63/222,004.93 = 88,279.89/x
  3. Step 3: Cross multiply
    160,878.63x = 222,004.93 × 88,279.89
  4. Step 4: Simplify right side
    160,878.63x = 19,598,570,799.86
  5. Step 5: Solve for x
    x = 19,598,570,799.86/160,878.63
  6. Step 6: Final answer
    x = 121,822.09

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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.