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Finding the Fourth Proportional to 186,196.83, 279,125.81 and 67,841.19

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Solution

The fourth proportional to 186,196.83, 279,125.81 and 67,841.19 is: 101,700.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,196.83 : 279,125.81 = 67,841.19 : x
  2. Step 2: Convert to fraction form
    186,196.83/279,125.81 = 67,841.19/x
  3. Step 3: Cross multiply
    186,196.83x = 279,125.81 × 67,841.19
  4. Step 4: Simplify right side
    186,196.83x = 18,936,226,770.91
  5. Step 5: Solve for x
    x = 18,936,226,770.91/186,196.83
  6. Step 6: Final answer
    x = 101,700.05

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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.