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Finding the Fourth Proportional to 239,595.60, 330,748.20 and 154,754.04

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Solution

The fourth proportional to 239,595.60, 330,748.20 and 154,754.04 is: 213,629.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,595.60 : 330,748.20 = 154,754.04 : x
  2. Step 2: Convert to fraction form
    239,595.60/330,748.20 = 154,754.04/x
  3. Step 3: Cross multiply
    239,595.60x = 330,748.20 × 154,754.04
  4. Step 4: Simplify right side
    239,595.60x = 51,184,620,172.73
  5. Step 5: Solve for x
    x = 51,184,620,172.73/239,595.60
  6. Step 6: Final answer
    x = 213,629.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.