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Finding the Fourth Proportional to 98,240.54, 147,362.43 and 35,910.50

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Solution

The fourth proportional to 98,240.54, 147,362.43 and 35,910.50 is: 53,866.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,240.54 : 147,362.43 = 35,910.50 : x
  2. Step 2: Convert to fraction form
    98,240.54/147,362.43 = 35,910.50/x
  3. Step 3: Cross multiply
    98,240.54x = 147,362.43 × 35,910.50
  4. Step 4: Simplify right side
    98,240.54x = 5,291,858,542.52
  5. Step 5: Solve for x
    x = 5,291,858,542.52/98,240.54
  6. Step 6: Final answer
    x = 53,866.34

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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.