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Finding the Fourth Proportional to 156,801.20, 235,201.80 and 51,594.80

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Solution

The fourth proportional to 156,801.20, 235,201.80 and 51,594.80 is: 77,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,801.20 : 235,201.80 = 51,594.80 : x
  2. Step 2: Convert to fraction form
    156,801.20/235,201.80 = 51,594.80/x
  3. Step 3: Cross multiply
    156,801.20x = 235,201.80 × 51,594.80
  4. Step 4: Simplify right side
    156,801.20x = 12,135,189,830.64
  5. Step 5: Solve for x
    x = 12,135,189,830.64/156,801.20
  6. Step 6: Final answer
    x = 77,392.20

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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.