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Finding the Fourth Proportional to 171,374.73, 257,072.99 and 53,036.13

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Solution

The fourth proportional to 171,374.73, 257,072.99 and 53,036.13 is: 79,557.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,374.73 : 257,072.99 = 53,036.13 : x
  2. Step 2: Convert to fraction form
    171,374.73/257,072.99 = 53,036.13/x
  3. Step 3: Cross multiply
    171,374.73x = 257,072.99 × 53,036.13
  4. Step 4: Simplify right side
    171,374.73x = 13,634,156,251.95
  5. Step 5: Solve for x
    x = 13,634,156,251.95/171,374.73
  6. Step 6: Final answer
    x = 79,557.57

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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.