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Finding the Fourth Proportional to 435,071.70, 652,532.22 and 119,454.80

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Solution

The fourth proportional to 435,071.70, 652,532.22 and 119,454.80 is: 179,161.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,071.70 : 652,532.22 = 119,454.80 : x
  2. Step 2: Convert to fraction form
    435,071.70/652,532.22 = 119,454.80/x
  3. Step 3: Cross multiply
    435,071.70x = 652,532.22 × 119,454.80
  4. Step 4: Simplify right side
    435,071.70x = 77,948,102,570.99
  5. Step 5: Solve for x
    x = 77,948,102,570.99/435,071.70
  6. Step 6: Final answer
    x = 179,161.51

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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.