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Finding the Fourth Proportional to 220,319.93, 304,043.43 and 119,717.93

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Solution

The fourth proportional to 220,319.93, 304,043.43 and 119,717.93 is: 165,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,319.93 : 304,043.43 = 119,717.93 : x
  2. Step 2: Convert to fraction form
    220,319.93/304,043.43 = 119,717.93/x
  3. Step 3: Cross multiply
    220,319.93x = 304,043.43 × 119,717.93
  4. Step 4: Simplify right side
    220,319.93x = 36,399,450,069.70
  5. Step 5: Solve for x
    x = 36,399,450,069.70/220,319.93
  6. Step 6: Final answer
    x = 165,211.79

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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.