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Finding the Fourth Proportional to 98,293.73, 147,190.41 and 64,963.85

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Solution

The fourth proportional to 98,293.73, 147,190.41 and 64,963.85 is: 97,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,293.73 : 147,190.41 = 64,963.85 : x
  2. Step 2: Convert to fraction form
    98,293.73/147,190.41 = 64,963.85/x
  3. Step 3: Cross multiply
    98,293.73x = 147,190.41 × 64,963.85
  4. Step 4: Simplify right side
    98,293.73x = 9,562,054,980.73
  5. Step 5: Solve for x
    x = 9,562,054,980.73/98,293.73
  6. Step 6: Final answer
    x = 97,280.42

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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.