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Finding the Fourth Proportional to 435,072.70, 652,533.72 and 119,455.80

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Solution

The fourth proportional to 435,072.70, 652,533.72 and 119,455.80 is: 179,163.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,072.70 : 652,533.72 = 119,455.80 : x
  2. Step 2: Convert to fraction form
    435,072.70/652,533.72 = 119,455.80/x
  3. Step 3: Cross multiply
    435,072.70x = 652,533.72 × 119,455.80
  4. Step 4: Simplify right side
    435,072.70x = 77,948,937,549.58
  5. Step 5: Solve for x
    x = 77,948,937,549.58/435,072.70
  6. Step 6: Final answer
    x = 179,163.02

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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.