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Finding the Fourth Proportional to 69,714.84, 96,173.82 and 42,847.68

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Solution

The fourth proportional to 69,714.84, 96,173.82 and 42,847.68 is: 59,109.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,714.84 : 96,173.82 = 42,847.68 : x
  2. Step 2: Convert to fraction form
    69,714.84/96,173.82 = 42,847.68/x
  3. Step 3: Cross multiply
    69,714.84x = 96,173.82 × 42,847.68
  4. Step 4: Simplify right side
    69,714.84x = 4,120,825,063.74
  5. Step 5: Solve for x
    x = 4,120,825,063.74/69,714.84
  6. Step 6: Final answer
    x = 59,109.73

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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.