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Finding the Fourth Proportional to 146,751.70, 219,544.35 and 127,246.90

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Solution

The fourth proportional to 146,751.70, 219,544.35 and 127,246.90 is: 190,364.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,751.70 : 219,544.35 = 127,246.90 : x
  2. Step 2: Convert to fraction form
    146,751.70/219,544.35 = 127,246.90/x
  3. Step 3: Cross multiply
    146,751.70x = 219,544.35 × 127,246.90
  4. Step 4: Simplify right side
    146,751.70x = 27,936,337,950.02
  5. Step 5: Solve for x
    x = 27,936,337,950.02/146,751.70
  6. Step 6: Final answer
    x = 190,364.66

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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.