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Finding the Fourth Proportional to 159,627.78, 239,464.91 and 47,293.44

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Solution

The fourth proportional to 159,627.78, 239,464.91 and 47,293.44 is: 70,947.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,627.78 : 239,464.91 = 47,293.44 : x
  2. Step 2: Convert to fraction form
    159,627.78/239,464.91 = 47,293.44/x
  3. Step 3: Cross multiply
    159,627.78x = 239,464.91 × 47,293.44
  4. Step 4: Simplify right side
    159,627.78x = 11,325,118,307.41
  5. Step 5: Solve for x
    x = 11,325,118,307.41/159,627.78
  6. Step 6: Final answer
    x = 70,947.04

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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.