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Finding the Fourth Proportional to 98,107.60, 146,833.35 and 68,583.10

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Solution

The fourth proportional to 98,107.60, 146,833.35 and 68,583.10 is: 102,645.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,107.60 : 146,833.35 = 68,583.10 : x
  2. Step 2: Convert to fraction form
    98,107.60/146,833.35 = 68,583.10/x
  3. Step 3: Cross multiply
    98,107.60x = 146,833.35 × 68,583.10
  4. Step 4: Simplify right side
    98,107.60x = 10,070,286,326.39
  5. Step 5: Solve for x
    x = 10,070,286,326.39/98,107.60
  6. Step 6: Final answer
    x = 102,645.32

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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.