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Finding the Fourth Proportional to 435,145.54, 652,704.62 and 119,599.72

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Solution

The fourth proportional to 435,145.54, 652,704.62 and 119,599.72 is: 179,395.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,145.54 : 652,704.62 = 119,599.72 : x
  2. Step 2: Convert to fraction form
    435,145.54/652,704.62 = 119,599.72/x
  3. Step 3: Cross multiply
    435,145.54x = 652,704.62 × 119,599.72
  4. Step 4: Simplify right side
    435,145.54x = 78,063,289,794.71
  5. Step 5: Solve for x
    x = 78,063,289,794.71/435,145.54
  6. Step 6: Final answer
    x = 179,395.82

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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.