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Finding the Fourth Proportional to 239,235.57, 358,841.42 and 89,464.85

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Solution

The fourth proportional to 239,235.57, 358,841.42 and 89,464.85 is: 134,192.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,235.57 : 358,841.42 = 89,464.85 : x
  2. Step 2: Convert to fraction form
    239,235.57/358,841.42 = 89,464.85/x
  3. Step 3: Cross multiply
    239,235.57x = 358,841.42 × 89,464.85
  4. Step 4: Simplify right side
    239,235.57x = 32,103,692,243.54
  5. Step 5: Solve for x
    x = 32,103,692,243.54/239,235.57
  6. Step 6: Final answer
    x = 134,192.81

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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.