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Finding the Fourth Proportional to 193,234.59, 266,528.79 and 186,731.91

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Solution

The fourth proportional to 193,234.59, 266,528.79 and 186,731.91 is: 257,559.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,234.59 : 266,528.79 = 186,731.91 : x
  2. Step 2: Convert to fraction form
    193,234.59/266,528.79 = 186,731.91/x
  3. Step 3: Cross multiply
    193,234.59x = 266,528.79 × 186,731.91
  4. Step 4: Simplify right side
    193,234.59x = 49,769,430,026.69
  5. Step 5: Solve for x
    x = 49,769,430,026.69/193,234.59
  6. Step 6: Final answer
    x = 257,559.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.