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Finding the Fourth Proportional to 342,887.28, 514,413.03 and 143,096.52

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Solution

The fourth proportional to 342,887.28, 514,413.03 and 143,096.52 is: 214,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,887.28 : 514,413.03 = 143,096.52 : x
  2. Step 2: Convert to fraction form
    342,887.28/514,413.03 = 143,096.52/x
  3. Step 3: Cross multiply
    342,887.28x = 514,413.03 × 143,096.52
  4. Step 4: Simplify right side
    342,887.28x = 73,610,716,096.40
  5. Step 5: Solve for x
    x = 73,610,716,096.40/342,887.28
  6. Step 6: Final answer
    x = 214,679.05

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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.