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Finding the Fourth Proportional to 136,525.92, 204,782.50 and 47,799.32

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Solution

The fourth proportional to 136,525.92, 204,782.50 and 47,799.32 is: 71,696.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,525.92 : 204,782.50 = 47,799.32 : x
  2. Step 2: Convert to fraction form
    136,525.92/204,782.50 = 47,799.32/x
  3. Step 3: Cross multiply
    136,525.92x = 204,782.50 × 47,799.32
  4. Step 4: Simplify right side
    136,525.92x = 9,788,464,247.90
  5. Step 5: Solve for x
    x = 9,788,464,247.90/136,525.92
  6. Step 6: Final answer
    x = 71,696.75

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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.