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Finding the Fourth Proportional to 340,070.88, 510,168.24 and 112,379.52

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Solution

The fourth proportional to 340,070.88, 510,168.24 and 112,379.52 is: 168,589.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,070.88 : 510,168.24 = 112,379.52 : x
  2. Step 2: Convert to fraction form
    340,070.88/510,168.24 = 112,379.52/x
  3. Step 3: Cross multiply
    340,070.88x = 510,168.24 × 112,379.52
  4. Step 4: Simplify right side
    340,070.88x = 57,332,461,930.44
  5. Step 5: Solve for x
    x = 57,332,461,930.44/340,070.88
  6. Step 6: Final answer
    x = 168,589.74

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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.