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Finding the Fourth Proportional to 240,322.95, 360,508.86 and 82,530.90

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Solution

The fourth proportional to 240,322.95, 360,508.86 and 82,530.90 is: 123,804.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,322.95 : 360,508.86 = 82,530.90 : x
  2. Step 2: Convert to fraction form
    240,322.95/360,508.86 = 82,530.90/x
  3. Step 3: Cross multiply
    240,322.95x = 360,508.86 × 82,530.90
  4. Step 4: Simplify right side
    240,322.95x = 29,753,120,673.77
  5. Step 5: Solve for x
    x = 29,753,120,673.77/240,322.95
  6. Step 6: Final answer
    x = 123,804.74

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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.