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Finding the Fourth Proportional to 70,252.44, 105,420.15 and 25,910.16

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Solution

The fourth proportional to 70,252.44, 105,420.15 and 25,910.16 is: 38,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,252.44 : 105,420.15 = 25,910.16 : x
  2. Step 2: Convert to fraction form
    70,252.44/105,420.15 = 25,910.16/x
  3. Step 3: Cross multiply
    70,252.44x = 105,420.15 × 25,910.16
  4. Step 4: Simplify right side
    70,252.44x = 2,731,452,953.72
  5. Step 5: Solve for x
    x = 2,731,452,953.72/70,252.44
  6. Step 6: Final answer
    x = 38,880.54

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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.