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Finding the Fourth Proportional to 70,505.69, 97,297.58 and 43,642.85

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Solution

The fourth proportional to 70,505.69, 97,297.58 and 43,642.85 is: 60,226.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,505.69 : 97,297.58 = 43,642.85 : x
  2. Step 2: Convert to fraction form
    70,505.69/97,297.58 = 43,642.85/x
  3. Step 3: Cross multiply
    70,505.69x = 97,297.58 × 43,642.85
  4. Step 4: Simplify right side
    70,505.69x = 4,246,343,689.30
  5. Step 5: Solve for x
    x = 4,246,343,689.30/70,505.69
  6. Step 6: Final answer
    x = 60,226.96

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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.