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Finding the Fourth Proportional to 173,435.41, 260,149.05 and 79,941.16

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Solution

The fourth proportional to 173,435.41, 260,149.05 and 79,941.16 is: 119,909.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,435.41 : 260,149.05 = 79,941.16 : x
  2. Step 2: Convert to fraction form
    173,435.41/260,149.05 = 79,941.16/x
  3. Step 3: Cross multiply
    173,435.41x = 260,149.05 × 79,941.16
  4. Step 4: Simplify right side
    173,435.41x = 20,796,616,829.90
  5. Step 5: Solve for x
    x = 20,796,616,829.90/173,435.41
  6. Step 6: Final answer
    x = 119,909.87

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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.