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Finding the Fourth Proportional to 339,045.22, 508,551.12 and 125,854.64

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Solution

The fourth proportional to 339,045.22, 508,551.12 and 125,854.64 is: 188,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,045.22 : 508,551.12 = 125,854.64 : x
  2. Step 2: Convert to fraction form
    339,045.22/508,551.12 = 125,854.64/x
  3. Step 3: Cross multiply
    339,045.22x = 508,551.12 × 125,854.64
  4. Step 4: Simplify right side
    339,045.22x = 64,003,518,129.20
  5. Step 5: Solve for x
    x = 64,003,518,129.20/339,045.22
  6. Step 6: Final answer
    x = 188,775.76

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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.