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Finding the Fourth Proportional to 239,049.96, 358,533.42 and 89,291.55

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Solution

The fourth proportional to 239,049.96, 358,533.42 and 89,291.55 is: 133,921.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,049.96 : 358,533.42 = 89,291.55 : x
  2. Step 2: Convert to fraction form
    239,049.96/358,533.42 = 89,291.55/x
  3. Step 3: Cross multiply
    239,049.96x = 358,533.42 × 89,291.55
  4. Step 4: Simplify right side
    239,049.96x = 32,014,004,798.60
  5. Step 5: Solve for x
    x = 32,014,004,798.60/239,049.96
  6. Step 6: Final answer
    x = 133,921.82

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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.