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Finding the Fourth Proportional to 168,622.62, 252,927.84 and 42,263.82

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Solution

The fourth proportional to 168,622.62, 252,927.84 and 42,263.82 is: 63,394.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,622.62 : 252,927.84 = 42,263.82 : x
  2. Step 2: Convert to fraction form
    168,622.62/252,927.84 = 42,263.82/x
  3. Step 3: Cross multiply
    168,622.62x = 252,927.84 × 42,263.82
  4. Step 4: Simplify right side
    168,622.62x = 10,689,696,702.75
  5. Step 5: Solve for x
    x = 10,689,696,702.75/168,622.62
  6. Step 6: Final answer
    x = 63,394.20

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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.