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Finding the Fourth Proportional to 312,025.14, 468,035.28 and 162,188.10

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Solution

The fourth proportional to 312,025.14, 468,035.28 and 162,188.10 is: 243,280.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,025.14 : 468,035.28 = 162,188.10 : x
  2. Step 2: Convert to fraction form
    312,025.14/468,035.28 = 162,188.10/x
  3. Step 3: Cross multiply
    312,025.14x = 468,035.28 × 162,188.10
  4. Step 4: Simplify right side
    312,025.14x = 75,909,752,796.17
  5. Step 5: Solve for x
    x = 75,909,752,796.17/312,025.14
  6. Step 6: Final answer
    x = 243,280.89

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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.