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Finding the Fourth Proportional to 142,635.95, 213,919.23 and 47,841.54

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Solution

The fourth proportional to 142,635.95, 213,919.23 and 47,841.54 is: 71,750.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,635.95 : 213,919.23 = 47,841.54 : x
  2. Step 2: Convert to fraction form
    142,635.95/213,919.23 = 47,841.54/x
  3. Step 3: Cross multiply
    142,635.95x = 213,919.23 × 47,841.54
  4. Step 4: Simplify right side
    142,635.95x = 10,234,225,954.15
  5. Step 5: Solve for x
    x = 10,234,225,954.15/142,635.95
  6. Step 6: Final answer
    x = 71,750.68

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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.