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Finding the Fourth Proportional to 159,962.88, 239,662.44 and 142,587.84

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Solution

The fourth proportional to 159,962.88, 239,662.44 and 142,587.84 is: 213,630.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,962.88 : 239,662.44 = 142,587.84 : x
  2. Step 2: Convert to fraction form
    159,962.88/239,662.44 = 142,587.84/x
  3. Step 3: Cross multiply
    159,962.88x = 239,662.44 × 142,587.84
  4. Step 4: Simplify right side
    159,962.88x = 34,172,949,648.73
  5. Step 5: Solve for x
    x = 34,172,949,648.73/159,962.88
  6. Step 6: Final answer
    x = 213,630.50

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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.