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Finding the Fourth Proportional to 157,365.20, 235,702.20 and 122,027.60

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Solution

The fourth proportional to 157,365.20, 235,702.20 and 122,027.60 is: 182,773.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,365.20 : 235,702.20 = 122,027.60 : x
  2. Step 2: Convert to fraction form
    157,365.20/235,702.20 = 122,027.60/x
  3. Step 3: Cross multiply
    157,365.20x = 235,702.20 × 122,027.60
  4. Step 4: Simplify right side
    157,365.20x = 28,762,173,780.72
  5. Step 5: Solve for x
    x = 28,762,173,780.72/157,365.20
  6. Step 6: Final answer
    x = 182,773.41

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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.