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Finding the Fourth Proportional to 239,975.61, 360,068.52 and 113,706

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Solution

The fourth proportional to 239,975.61, 360,068.52 and 113,706 is: 170,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,975.61 : 360,068.52 = 113,706 : x
  2. Step 2: Convert to fraction form
    239,975.61/360,068.52 = 113,706/x
  3. Step 3: Cross multiply
    239,975.61x = 360,068.52 × 113,706
  4. Step 4: Simplify right side
    239,975.61x = 40,941,951,135.12
  5. Step 5: Solve for x
    x = 40,941,951,135.12/239,975.61
  6. Step 6: Final answer
    x = 170,608.80

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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.