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Finding the Fourth Proportional to 98,233.60, 147,369.60 and 39,059.20

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Solution

The fourth proportional to 98,233.60, 147,369.60 and 39,059.20 is: 58,596.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,233.60 : 147,369.60 = 39,059.20 : x
  2. Step 2: Convert to fraction form
    98,233.60/147,369.60 = 39,059.20/x
  3. Step 3: Cross multiply
    98,233.60x = 147,369.60 × 39,059.20
  4. Step 4: Simplify right side
    98,233.60x = 5,756,138,680.32
  5. Step 5: Solve for x
    x = 5,756,138,680.32/98,233.60
  6. Step 6: Final answer
    x = 58,596.43

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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.