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Finding the Fourth Proportional to 273,611.90, 377,589.78 and 158,900.10

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Solution

The fourth proportional to 273,611.90, 377,589.78 and 158,900.10 is: 219,285.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,611.90 : 377,589.78 = 158,900.10 : x
  2. Step 2: Convert to fraction form
    273,611.90/377,589.78 = 158,900.10/x
  3. Step 3: Cross multiply
    273,611.90x = 377,589.78 × 158,900.10
  4. Step 4: Simplify right side
    273,611.90x = 59,999,053,800.98
  5. Step 5: Solve for x
    x = 59,999,053,800.98/273,611.90
  6. Step 6: Final answer
    x = 219,285.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.