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Finding the Fourth Proportional to 180,068.59, 270,074.49 and 113,304.34

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Solution

The fourth proportional to 180,068.59, 270,074.49 and 113,304.34 is: 169,938.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,068.59 : 270,074.49 = 113,304.34 : x
  2. Step 2: Convert to fraction form
    180,068.59/270,074.49 = 113,304.34/x
  3. Step 3: Cross multiply
    180,068.59x = 270,074.49 × 113,304.34
  4. Step 4: Simplify right side
    180,068.59x = 30,600,611,840.29
  5. Step 5: Solve for x
    x = 30,600,611,840.29/180,068.59
  6. Step 6: Final answer
    x = 169,938.64

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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.