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Finding the Fourth Proportional to 188,475.81, 282,724.31 and 60,403.24

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Solution

The fourth proportional to 188,475.81, 282,724.31 and 60,403.24 is: 90,608.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,475.81 : 282,724.31 = 60,403.24 : x
  2. Step 2: Convert to fraction form
    188,475.81/282,724.31 = 60,403.24/x
  3. Step 3: Cross multiply
    188,475.81x = 282,724.31 × 60,403.24
  4. Step 4: Simplify right side
    188,475.81x = 17,077,464,350.76
  5. Step 5: Solve for x
    x = 17,077,464,350.76/188,475.81
  6. Step 6: Final answer
    x = 90,608.26

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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.