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Finding the Fourth Proportional to 75,230.62, 103,814.40 and 43,397.62

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Solution

The fourth proportional to 75,230.62, 103,814.40 and 43,397.62 is: 59,886.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,230.62 : 103,814.40 = 43,397.62 : x
  2. Step 2: Convert to fraction form
    75,230.62/103,814.40 = 43,397.62/x
  3. Step 3: Cross multiply
    75,230.62x = 103,814.40 × 43,397.62
  4. Step 4: Simplify right side
    75,230.62x = 4,505,297,881.73
  5. Step 5: Solve for x
    x = 4,505,297,881.73/75,230.62
  6. Step 6: Final answer
    x = 59,886.49

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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.