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Finding the Fourth Proportional to 239,151.60, 330,052.52 and 178,617.20

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Solution

The fourth proportional to 239,151.60, 330,052.52 and 178,617.20 is: 246,509.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,151.60 : 330,052.52 = 178,617.20 : x
  2. Step 2: Convert to fraction form
    239,151.60/330,052.52 = 178,617.20/x
  3. Step 3: Cross multiply
    239,151.60x = 330,052.52 × 178,617.20
  4. Step 4: Simplify right side
    239,151.60x = 58,953,055,771.62
  5. Step 5: Solve for x
    x = 58,953,055,771.62/239,151.60
  6. Step 6: Final answer
    x = 246,509.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.