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Finding the Fourth Proportional to 101,804.76, 152,633.30 and 68,442.12

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Solution

The fourth proportional to 101,804.76, 152,633.30 and 68,442.12 is: 102,613.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,804.76 : 152,633.30 = 68,442.12 : x
  2. Step 2: Convert to fraction form
    101,804.76/152,633.30 = 68,442.12/x
  3. Step 3: Cross multiply
    101,804.76x = 152,633.30 × 68,442.12
  4. Step 4: Simplify right side
    101,804.76x = 10,446,546,634.60
  5. Step 5: Solve for x
    x = 10,446,546,634.60/101,804.76
  6. Step 6: Final answer
    x = 102,613.54

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1.5x scale

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.