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Finding the Fourth Proportional to 94,231, 141,346.74 and 28,567

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Solution

The fourth proportional to 94,231, 141,346.74 and 28,567 is: 42,850.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,231 : 141,346.74 = 28,567 : x
  2. Step 2: Convert to fraction form
    94,231/141,346.74 = 28,567/x
  3. Step 3: Cross multiply
    94,231x = 141,346.74 × 28,567
  4. Step 4: Simplify right side
    94,231x = 4,037,852,321.58
  5. Step 5: Solve for x
    x = 4,037,852,321.58/94,231
  6. Step 6: Final answer
    x = 42,850.57

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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.