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Finding the Fourth Proportional to 117,653.78, 176,502.54 and 38,773.56

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Solution

The fourth proportional to 117,653.78, 176,502.54 and 38,773.56 is: 58,167.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,653.78 : 176,502.54 = 38,773.56 : x
  2. Step 2: Convert to fraction form
    117,653.78/176,502.54 = 38,773.56/x
  3. Step 3: Cross multiply
    117,653.78x = 176,502.54 × 38,773.56
  4. Step 4: Simplify right side
    117,653.78x = 6,843,631,824.84
  5. Step 5: Solve for x
    x = 6,843,631,824.84/117,653.78
  6. Step 6: Final answer
    x = 58,167.55

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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.