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Finding the Fourth Proportional to 113,954.87, 170,880.33 and 47,355.32

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Solution

The fourth proportional to 113,954.87, 170,880.33 and 47,355.32 is: 71,011.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,954.87 : 170,880.33 = 47,355.32 : x
  2. Step 2: Convert to fraction form
    113,954.87/170,880.33 = 47,355.32/x
  3. Step 3: Cross multiply
    113,954.87x = 170,880.33 × 47,355.32
  4. Step 4: Simplify right side
    113,954.87x = 8,092,092,708.86
  5. Step 5: Solve for x
    x = 8,092,092,708.86/113,954.87
  6. Step 6: Final answer
    x = 71,011.38

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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.