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Finding the Fourth Proportional to 52,302.58, 78,445.62 and 43,474.66

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Solution

The fourth proportional to 52,302.58, 78,445.62 and 43,474.66 is: 65,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,302.58 : 78,445.62 = 43,474.66 : x
  2. Step 2: Convert to fraction form
    52,302.58/78,445.62 = 43,474.66/x
  3. Step 3: Cross multiply
    52,302.58x = 78,445.62 × 43,474.66
  4. Step 4: Simplify right side
    52,302.58x = 3,410,396,657.99
  5. Step 5: Solve for x
    x = 3,410,396,657.99/52,302.58
  6. Step 6: Final answer
    x = 65,205.13

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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.