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Finding the Fourth Proportional to 239,240.28, 358,848.48 and 89,469.55

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Solution

The fourth proportional to 239,240.28, 358,848.48 and 89,469.55 is: 134,199.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,240.28 : 358,848.48 = 89,469.55 : x
  2. Step 2: Convert to fraction form
    239,240.28/358,848.48 = 89,469.55/x
  3. Step 3: Cross multiply
    239,240.28x = 358,848.48 × 89,469.55
  4. Step 4: Simplify right side
    239,240.28x = 32,106,012,023.78
  5. Step 5: Solve for x
    x = 32,106,012,023.78/239,240.28
  6. Step 6: Final answer
    x = 134,199.86

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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.