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Finding the Fourth Proportional to 165,873.60, 228,910.23 and 101,353.32

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Solution

The fourth proportional to 165,873.60, 228,910.23 and 101,353.32 is: 139,870.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,873.60 : 228,910.23 = 101,353.32 : x
  2. Step 2: Convert to fraction form
    165,873.60/228,910.23 = 101,353.32/x
  3. Step 3: Cross multiply
    165,873.60x = 228,910.23 × 101,353.32
  4. Step 4: Simplify right side
    165,873.60x = 23,200,811,792.46
  5. Step 5: Solve for x
    x = 23,200,811,792.46/165,873.60
  6. Step 6: Final answer
    x = 139,870.43

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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.