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Finding the Fourth Proportional to 239,791.05, 359,438.72 and 89,925.66

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Solution

The fourth proportional to 239,791.05, 359,438.72 and 89,925.66 is: 134,795.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,791.05 : 359,438.72 = 89,925.66 : x
  2. Step 2: Convert to fraction form
    239,791.05/359,438.72 = 89,925.66/x
  3. Step 3: Cross multiply
    239,791.05x = 359,438.72 × 89,925.66
  4. Step 4: Simplify right side
    239,791.05x = 32,322,763,675.93
  5. Step 5: Solve for x
    x = 32,322,763,675.93/239,791.05
  6. Step 6: Final answer
    x = 134,795.54

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1.5x scale

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.