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Finding the Fourth Proportional to 131,737.56, 197,643.34 and 52,907.14

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Solution

The fourth proportional to 131,737.56, 197,643.34 and 52,907.14 is: 79,375.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,737.56 : 197,643.34 = 52,907.14 : x
  2. Step 2: Convert to fraction form
    131,737.56/197,643.34 = 52,907.14/x
  3. Step 3: Cross multiply
    131,737.56x = 197,643.34 × 52,907.14
  4. Step 4: Simplify right side
    131,737.56x = 10,456,743,859.45
  5. Step 5: Solve for x
    x = 10,456,743,859.45/131,737.56
  6. Step 6: Final answer
    x = 79,375.57

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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.