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Finding the Fourth Proportional to 262,841.72, 394,281.68 and 94,382.55

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Solution

The fourth proportional to 262,841.72, 394,281.68 and 94,382.55 is: 141,580.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,841.72 : 394,281.68 = 94,382.55 : x
  2. Step 2: Convert to fraction form
    262,841.72/394,281.68 = 94,382.55/x
  3. Step 3: Cross multiply
    262,841.72x = 394,281.68 × 94,382.55
  4. Step 4: Simplify right side
    262,841.72x = 37,213,309,904.77
  5. Step 5: Solve for x
    x = 37,213,309,904.77/262,841.72
  6. Step 6: Final answer
    x = 141,580.68

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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.