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Finding the Fourth Proportional to 134,813.80, 202,230.30 and 41,319.40

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Solution

The fourth proportional to 134,813.80, 202,230.30 and 41,319.40 is: 61,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,813.80 : 202,230.30 = 41,319.40 : x
  2. Step 2: Convert to fraction form
    134,813.80/202,230.30 = 41,319.40/x
  3. Step 3: Cross multiply
    134,813.80x = 202,230.30 × 41,319.40
  4. Step 4: Simplify right side
    134,813.80x = 8,356,034,657.82
  5. Step 5: Solve for x
    x = 8,356,034,657.82/134,813.80
  6. Step 6: Final answer
    x = 61,982.04

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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.