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Finding the Fourth Proportional to 188,473.40, 282,710.10 and 162,812.60

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Solution

The fourth proportional to 188,473.40, 282,710.10 and 162,812.60 is: 244,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,473.40 : 282,710.10 = 162,812.60 : x
  2. Step 2: Convert to fraction form
    188,473.40/282,710.10 = 162,812.60/x
  3. Step 3: Cross multiply
    188,473.40x = 282,710.10 × 162,812.60
  4. Step 4: Simplify right side
    188,473.40x = 46,028,766,427.26
  5. Step 5: Solve for x
    x = 46,028,766,427.26/188,473.40
  6. Step 6: Final answer
    x = 244,218.90

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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.