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Finding the Fourth Proportional to 164,077.30, 246,115.95 and 157,078.90

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Solution

The fourth proportional to 164,077.30, 246,115.95 and 157,078.90 is: 235,618.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,077.30 : 246,115.95 = 157,078.90 : x
  2. Step 2: Convert to fraction form
    164,077.30/246,115.95 = 157,078.90/x
  3. Step 3: Cross multiply
    164,077.30x = 246,115.95 × 157,078.90
  4. Step 4: Simplify right side
    164,077.30x = 38,659,622,698.46
  5. Step 5: Solve for x
    x = 38,659,622,698.46/164,077.30
  6. Step 6: Final answer
    x = 235,618.35

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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.