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Finding the Fourth Proportional to 219,937.69, 303,515.63 and 119,335.69

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Solution

The fourth proportional to 219,937.69, 303,515.63 and 119,335.69 is: 164,684.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,937.69 : 303,515.63 = 119,335.69 : x
  2. Step 2: Convert to fraction form
    219,937.69/303,515.63 = 119,335.69/x
  3. Step 3: Cross multiply
    219,937.69x = 303,515.63 × 119,335.69
  4. Step 4: Simplify right side
    219,937.69x = 36,220,246,223.88
  5. Step 5: Solve for x
    x = 36,220,246,223.88/219,937.69
  6. Step 6: Final answer
    x = 164,684.13

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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.