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Finding the Fourth Proportional to 170,992.47, 256,476.56 and 52,651.47

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Solution

The fourth proportional to 170,992.47, 256,476.56 and 52,651.47 is: 78,973.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,992.47 : 256,476.56 = 52,651.47 : x
  2. Step 2: Convert to fraction form
    170,992.47/256,476.56 = 52,651.47/x
  3. Step 3: Cross multiply
    170,992.47x = 256,476.56 × 52,651.47
  4. Step 4: Simplify right side
    170,992.47x = 13,503,867,641.29
  5. Step 5: Solve for x
    x = 13,503,867,641.29/170,992.47
  6. Step 6: Final answer
    x = 78,973.46

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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.