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Finding the Fourth Proportional to 237,697.58, 356,471.05 and 77,736.55

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Solution

The fourth proportional to 237,697.58, 356,471.05 and 77,736.55 is: 116,580.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,697.58 : 356,471.05 = 77,736.55 : x
  2. Step 2: Convert to fraction form
    237,697.58/356,471.05 = 77,736.55/x
  3. Step 3: Cross multiply
    237,697.58x = 356,471.05 × 77,736.55
  4. Step 4: Simplify right side
    237,697.58x = 27,710,829,601.88
  5. Step 5: Solve for x
    x = 27,710,829,601.88/237,697.58
  6. Step 6: Final answer
    x = 116,580.19

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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.