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Finding the Fourth Proportional to 113,620.60, 170,450.70 and 47,024.20

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Solution

The fourth proportional to 113,620.60, 170,450.70 and 47,024.20 is: 70,544.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,620.60 : 170,450.70 = 47,024.20 : x
  2. Step 2: Convert to fraction form
    113,620.60/170,450.70 = 47,024.20/x
  3. Step 3: Cross multiply
    113,620.60x = 170,450.70 × 47,024.20
  4. Step 4: Simplify right side
    113,620.60x = 8,015,307,806.94
  5. Step 5: Solve for x
    x = 8,015,307,806.94/113,620.60
  6. Step 6: Final answer
    x = 70,544.49

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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.