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Finding the Fourth Proportional to 219,751.88, 303,207.18 and 124,237.76

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Solution

The fourth proportional to 219,751.88, 303,207.18 and 124,237.76 is: 171,419.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,751.88 : 303,207.18 = 124,237.76 : x
  2. Step 2: Convert to fraction form
    219,751.88/303,207.18 = 124,237.76/x
  3. Step 3: Cross multiply
    219,751.88x = 303,207.18 × 124,237.76
  4. Step 4: Simplify right side
    219,751.88x = 37,669,780,859.12
  5. Step 5: Solve for x
    x = 37,669,780,859.12/219,751.88
  6. Step 6: Final answer
    x = 171,419.61

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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.