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Finding the Fourth Proportional to 117,445.60, 176,174.32 and 33,211.82

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Solution

The fourth proportional to 117,445.60, 176,174.32 and 33,211.82 is: 49,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,445.60 : 176,174.32 = 33,211.82 : x
  2. Step 2: Convert to fraction form
    117,445.60/176,174.32 = 33,211.82/x
  3. Step 3: Cross multiply
    117,445.60x = 176,174.32 × 33,211.82
  4. Step 4: Simplify right side
    117,445.60x = 5,851,069,804.46
  5. Step 5: Solve for x
    x = 5,851,069,804.46/117,445.60
  6. Step 6: Final answer
    x = 49,819.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.