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Finding the Fourth Proportional to 173,911.80, 260,903.70 and 55,567.80

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Solution

The fourth proportional to 173,911.80, 260,903.70 and 55,567.80 is: 83,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,911.80 : 260,903.70 = 55,567.80 : x
  2. Step 2: Convert to fraction form
    173,911.80/260,903.70 = 55,567.80/x
  3. Step 3: Cross multiply
    173,911.80x = 260,903.70 × 55,567.80
  4. Step 4: Simplify right side
    173,911.80x = 14,497,844,620.86
  5. Step 5: Solve for x
    x = 14,497,844,620.86/173,911.80
  6. Step 6: Final answer
    x = 83,363.20

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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.