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Finding the Fourth Proportional to 157,737.96, 236,644.60 and 52,557.84

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Solution

The fourth proportional to 157,737.96, 236,644.60 and 52,557.84 is: 78,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,737.96 : 236,644.60 = 52,557.84 : x
  2. Step 2: Convert to fraction form
    157,737.96/236,644.60 = 52,557.84/x
  3. Step 3: Cross multiply
    157,737.96x = 236,644.60 × 52,557.84
  4. Step 4: Simplify right side
    157,737.96x = 12,437,529,023.66
  5. Step 5: Solve for x
    x = 12,437,529,023.66/157,737.96
  6. Step 6: Final answer
    x = 78,849.31

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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.