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Finding the Fourth Proportional to 171,034.51, 256,551.76 and 52,705.85

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Solution

The fourth proportional to 171,034.51, 256,551.76 and 52,705.85 is: 79,058.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,034.51 : 256,551.76 = 52,705.85 : x
  2. Step 2: Convert to fraction form
    171,034.51/256,551.76 = 52,705.85/x
  3. Step 3: Cross multiply
    171,034.51x = 256,551.76 × 52,705.85
  4. Step 4: Simplify right side
    171,034.51x = 13,521,777,413.60
  5. Step 5: Solve for x
    x = 13,521,777,413.60/171,034.51
  6. Step 6: Final answer
    x = 79,058.77

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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.