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Finding the Fourth Proportional to 220,228.88, 303,907.73 and 119,624.72

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Solution

The fourth proportional to 220,228.88, 303,907.73 and 119,624.72 is: 165,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,228.88 : 303,907.73 = 119,624.72 : x
  2. Step 2: Convert to fraction form
    220,228.88/303,907.73 = 119,624.72/x
  3. Step 3: Cross multiply
    220,228.88x = 303,907.73 × 119,624.72
  4. Step 4: Simplify right side
    220,228.88x = 36,354,878,165.92
  5. Step 5: Solve for x
    x = 36,354,878,165.92/220,228.88
  6. Step 6: Final answer
    x = 165,077.70

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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.