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Finding the Fourth Proportional to 165,376, 228,218.88 and 89,925.04

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Solution

The fourth proportional to 165,376, 228,218.88 and 89,925.04 is: 124,096.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,376 : 228,218.88 = 89,925.04 : x
  2. Step 2: Convert to fraction form
    165,376/228,218.88 = 89,925.04/x
  3. Step 3: Cross multiply
    165,376x = 228,218.88 × 89,925.04
  4. Step 4: Simplify right side
    165,376x = 20,522,591,912.76
  5. Step 5: Solve for x
    x = 20,522,591,912.76/165,376
  6. Step 6: Final answer
    x = 124,096.56

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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.