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Finding the Fourth Proportional to 165,773.70, 228,670.02 and 117,321.12

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Solution

The fourth proportional to 165,773.70, 228,670.02 and 117,321.12 is: 161,834.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,773.70 : 228,670.02 = 117,321.12 : x
  2. Step 2: Convert to fraction form
    165,773.70/228,670.02 = 117,321.12/x
  3. Step 3: Cross multiply
    165,773.70x = 228,670.02 × 117,321.12
  4. Step 4: Simplify right side
    165,773.70x = 26,827,822,856.82
  5. Step 5: Solve for x
    x = 26,827,822,856.82/165,773.70
  6. Step 6: Final answer
    x = 161,834.01

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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.