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Finding the Fourth Proportional to 125,621.32, 188,438.46 and 32,127.88

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Solution

The fourth proportional to 125,621.32, 188,438.46 and 32,127.88 is: 48,193.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,621.32 : 188,438.46 = 32,127.88 : x
  2. Step 2: Convert to fraction form
    125,621.32/188,438.46 = 32,127.88/x
  3. Step 3: Cross multiply
    125,621.32x = 188,438.46 × 32,127.88
  4. Step 4: Simplify right side
    125,621.32x = 6,054,128,230.26
  5. Step 5: Solve for x
    x = 6,054,128,230.26/125,621.32
  6. Step 6: Final answer
    x = 48,193.48

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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.