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Finding the Fourth Proportional to 156,797.30, 235,195.95 and 51,626.90

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Solution

The fourth proportional to 156,797.30, 235,195.95 and 51,626.90 is: 77,440.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,797.30 : 235,195.95 = 51,626.90 : x
  2. Step 2: Convert to fraction form
    156,797.30/235,195.95 = 51,626.90/x
  3. Step 3: Cross multiply
    156,797.30x = 235,195.95 × 51,626.90
  4. Step 4: Simplify right side
    156,797.30x = 12,142,437,791.06
  5. Step 5: Solve for x
    x = 12,142,437,791.06/156,797.30
  6. Step 6: Final answer
    x = 77,440.35

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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.