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Finding the Fourth Proportional to 134,874.25, 202,321.10 and 51,768.25

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Solution

The fourth proportional to 134,874.25, 202,321.10 and 51,768.25 is: 77,656.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,874.25 : 202,321.10 = 51,768.25 : x
  2. Step 2: Convert to fraction form
    134,874.25/202,321.10 = 51,768.25/x
  3. Step 3: Cross multiply
    134,874.25x = 202,321.10 × 51,768.25
  4. Step 4: Simplify right side
    134,874.25x = 10,473,809,285.08
  5. Step 5: Solve for x
    x = 10,473,809,285.08/134,874.25
  6. Step 6: Final answer
    x = 77,656.11

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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.