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Finding the Fourth Proportional to 165,248.64, 228,043.44 and 89,796.96

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Solution

The fourth proportional to 165,248.64, 228,043.44 and 89,796.96 is: 123,919.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,248.64 : 228,043.44 = 89,796.96 : x
  2. Step 2: Convert to fraction form
    165,248.64/228,043.44 = 89,796.96/x
  3. Step 3: Cross multiply
    165,248.64x = 228,043.44 × 89,796.96
  4. Step 4: Simplify right side
    165,248.64x = 20,477,607,659.94
  5. Step 5: Solve for x
    x = 20,477,607,659.94/165,248.64
  6. Step 6: Final answer
    x = 123,919.98

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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.