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Finding the Fourth Proportional to 188,477.81, 282,727.31 and 60,405.24

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Solution

The fourth proportional to 188,477.81, 282,727.31 and 60,405.24 is: 90,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,477.81 : 282,727.31 = 60,405.24 : x
  2. Step 2: Convert to fraction form
    188,477.81/282,727.31 = 60,405.24/x
  3. Step 3: Cross multiply
    188,477.81x = 282,727.31 × 60,405.24
  4. Step 4: Simplify right side
    188,477.81x = 17,078,211,015.10
  5. Step 5: Solve for x
    x = 17,078,211,015.10/188,477.81
  6. Step 6: Final answer
    x = 90,611.26

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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.