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Finding the Fourth Proportional to 219,635.55, 303,093.90 and 124,138.98

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Solution

The fourth proportional to 219,635.55, 303,093.90 and 124,138.98 is: 171,310.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,635.55 : 303,093.90 = 124,138.98 : x
  2. Step 2: Convert to fraction form
    219,635.55/303,093.90 = 124,138.98/x
  3. Step 3: Cross multiply
    219,635.55x = 303,093.90 × 124,138.98
  4. Step 4: Simplify right side
    219,635.55x = 37,625,767,590.22
  5. Step 5: Solve for x
    x = 37,625,767,590.22/219,635.55
  6. Step 6: Final answer
    x = 171,310.01

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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.