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Finding the Fourth Proportional to 134,893.10, 202,291.05 and 68,311.10

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Solution

The fourth proportional to 134,893.10, 202,291.05 and 68,311.10 is: 102,442.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,893.10 : 202,291.05 = 68,311.10 : x
  2. Step 2: Convert to fraction form
    134,893.10/202,291.05 = 68,311.10/x
  3. Step 3: Cross multiply
    134,893.10x = 202,291.05 × 68,311.10
  4. Step 4: Simplify right side
    134,893.10x = 13,818,724,145.66
  5. Step 5: Solve for x
    x = 13,818,724,145.66/134,893.10
  6. Step 6: Final answer
    x = 102,442.04

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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.