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Finding the Fourth Proportional to 186,151.68, 279,244.80 and 75,352.32

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Solution

The fourth proportional to 186,151.68, 279,244.80 and 75,352.32 is: 113,035.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,151.68 : 279,244.80 = 75,352.32 : x
  2. Step 2: Convert to fraction form
    186,151.68/279,244.80 = 75,352.32/x
  3. Step 3: Cross multiply
    186,151.68x = 279,244.80 × 75,352.32
  4. Step 4: Simplify right side
    186,151.68x = 21,041,743,527.94
  5. Step 5: Solve for x
    x = 21,041,743,527.94/186,151.68
  6. Step 6: Final answer
    x = 113,035.47

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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.