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Finding the Fourth Proportional to 186,199.17, 279,230.72 and 67,835.49

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Solution

The fourth proportional to 186,199.17, 279,230.72 and 67,835.49 is: 101,728.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,199.17 : 279,230.72 = 67,835.49 : x
  2. Step 2: Convert to fraction form
    186,199.17/279,230.72 = 67,835.49/x
  3. Step 3: Cross multiply
    186,199.17x = 279,230.72 × 67,835.49
  4. Step 4: Simplify right side
    186,199.17x = 18,941,752,375.08
  5. Step 5: Solve for x
    x = 18,941,752,375.08/186,199.17
  6. Step 6: Final answer
    x = 101,728.45

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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.