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Finding the Fourth Proportional to 239,621.82, 359,327.73 and 89,756.94

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Solution

The fourth proportional to 239,621.82, 359,327.73 and 89,756.94 is: 134,596.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,621.82 : 359,327.73 = 89,756.94 : x
  2. Step 2: Convert to fraction form
    239,621.82/359,327.73 = 89,756.94/x
  3. Step 3: Cross multiply
    239,621.82x = 359,327.73 × 89,756.94
  4. Step 4: Simplify right side
    239,621.82x = 32,252,157,501.95
  5. Step 5: Solve for x
    x = 32,252,157,501.95/239,621.82
  6. Step 6: Final answer
    x = 134,596.08

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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.