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Finding the Fourth Proportional to 165,755.57, 228,736.58 and 101,332.76

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Solution

The fourth proportional to 165,755.57, 228,736.58 and 101,332.76 is: 139,835.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,755.57 : 228,736.58 = 101,332.76 : x
  2. Step 2: Convert to fraction form
    165,755.57/228,736.58 = 101,332.76/x
  3. Step 3: Cross multiply
    165,755.57x = 228,736.58 × 101,332.76
  4. Step 4: Simplify right side
    165,755.57x = 23,178,507,314.01
  5. Step 5: Solve for x
    x = 23,178,507,314.01/165,755.57
  6. Step 6: Final answer
    x = 139,835.47

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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.