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Finding the Fourth Proportional to 245,356.31, 368,034.48 and 65,442.31

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Solution

The fourth proportional to 245,356.31, 368,034.48 and 65,442.31 is: 98,163.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,356.31 : 368,034.48 = 65,442.31 : x
  2. Step 2: Convert to fraction form
    245,356.31/368,034.48 = 65,442.31/x
  3. Step 3: Cross multiply
    245,356.31x = 368,034.48 × 65,442.31
  4. Step 4: Simplify right side
    245,356.31x = 24,085,025,610.76
  5. Step 5: Solve for x
    x = 24,085,025,610.76/245,356.31
  6. Step 6: Final answer
    x = 98,163.46

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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.