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Finding the Fourth Proportional to 119,818.94, 165,348.99 and 66,104.39

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Solution

The fourth proportional to 119,818.94, 165,348.99 and 66,104.39 is: 91,223.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,818.94 : 165,348.99 = 66,104.39 : x
  2. Step 2: Convert to fraction form
    119,818.94/165,348.99 = 66,104.39/x
  3. Step 3: Cross multiply
    119,818.94x = 165,348.99 × 66,104.39
  4. Step 4: Simplify right side
    119,818.94x = 10,930,293,294.32
  5. Step 5: Solve for x
    x = 10,930,293,294.32/119,818.94
  6. Step 6: Final answer
    x = 91,223.42

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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.