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Finding the Fourth Proportional to 182,559.72, 273,870.72 and 81,394.48

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Solution

The fourth proportional to 182,559.72, 273,870.72 and 81,394.48 is: 122,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,559.72 : 273,870.72 = 81,394.48 : x
  2. Step 2: Convert to fraction form
    182,559.72/273,870.72 = 81,394.48/x
  3. Step 3: Cross multiply
    182,559.72x = 273,870.72 × 81,394.48
  4. Step 4: Simplify right side
    182,559.72x = 22,291,564,841.63
  5. Step 5: Solve for x
    x = 22,291,564,841.63/182,559.72
  6. Step 6: Final answer
    x = 122,105.60

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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.