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Finding the Fourth Proportional to 98,562.44, 147,954.29 and 39,439.32

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Solution

The fourth proportional to 98,562.44, 147,954.29 and 39,439.32 is: 59,203.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,562.44 : 147,954.29 = 39,439.32 : x
  2. Step 2: Convert to fraction form
    98,562.44/147,954.29 = 39,439.32/x
  3. Step 3: Cross multiply
    98,562.44x = 147,954.29 × 39,439.32
  4. Step 4: Simplify right side
    98,562.44x = 5,835,216,391.49
  5. Step 5: Solve for x
    x = 5,835,216,391.49/98,562.44
  6. Step 6: Final answer
    x = 59,203.25

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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.