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Finding the Fourth Proportional to 186,195.84, 279,306.72 and 61,624.32

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Solution

The fourth proportional to 186,195.84, 279,306.72 and 61,624.32 is: 92,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,195.84 : 279,306.72 = 61,624.32 : x
  2. Step 2: Convert to fraction form
    186,195.84/279,306.72 = 61,624.32/x
  3. Step 3: Cross multiply
    186,195.84x = 279,306.72 × 61,624.32
  4. Step 4: Simplify right side
    186,195.84x = 17,212,086,691.43
  5. Step 5: Solve for x
    x = 17,212,086,691.43/186,195.84
  6. Step 6: Final answer
    x = 92,440.77

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1.5x scale

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.