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Finding the Fourth Proportional to 157,764.54, 236,761.01 and 61,715.93

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Solution

The fourth proportional to 157,764.54, 236,761.01 and 61,715.93 is: 92,618.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,764.54 : 236,761.01 = 61,715.93 : x
  2. Step 2: Convert to fraction form
    157,764.54/236,761.01 = 61,715.93/x
  3. Step 3: Cross multiply
    157,764.54x = 236,761.01 × 61,715.93
  4. Step 4: Simplify right side
    157,764.54x = 14,611,924,658.94
  5. Step 5: Solve for x
    x = 14,611,924,658.94/157,764.54
  6. Step 6: Final answer
    x = 92,618.56

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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.