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Finding the Fourth Proportional to 173,873,105.80, 260,809,658.70 and 113,406,929.80

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Solution

The fourth proportional to 173,873,105.80, 260,809,658.70 and 113,406,929.80 is: 170,110,394.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,873,105.80 : 260,809,658.70 = 113,406,929.80 : x
  2. Step 2: Convert to fraction form
    173,873,105.80/260,809,658.70 = 113,406,929.80/x
  3. Step 3: Cross multiply
    173,873,105.80x = 260,809,658.70 × 113,406,929.80
  4. Step 4: Simplify right side
    173,873,105.80x = 29,577,622,655,352,856
  5. Step 5: Solve for x
    x = 29,577,622,655,352,856/173,873,105.80
  6. Step 6: Final answer
    x = 170,110,394.70

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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.