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Finding the Fourth Proportional to 70,153.50, 96,843.70 and 44,694.78

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Solution

The fourth proportional to 70,153.50, 96,843.70 and 44,694.78 is: 61,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,153.50 : 96,843.70 = 44,694.78 : x
  2. Step 2: Convert to fraction form
    70,153.50/96,843.70 = 44,694.78/x
  3. Step 3: Cross multiply
    70,153.50x = 96,843.70 × 44,694.78
  4. Step 4: Simplify right side
    70,153.50x = 4,328,407,865.89
  5. Step 5: Solve for x
    x = 4,328,407,865.89/70,153.50
  6. Step 6: Final answer
    x = 61,699.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.