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Finding the Fourth Proportional to 173,807.69, 260,645.92 and 80,247.83

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Solution

The fourth proportional to 173,807.69, 260,645.92 and 80,247.83 is: 120,341.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,807.69 : 260,645.92 = 80,247.83 : x
  2. Step 2: Convert to fraction form
    173,807.69/260,645.92 = 80,247.83/x
  3. Step 3: Cross multiply
    173,807.69x = 260,645.92 × 80,247.83
  4. Step 4: Simplify right side
    173,807.69x = 20,916,269,478.35
  5. Step 5: Solve for x
    x = 20,916,269,478.35/173,807.69
  6. Step 6: Final answer
    x = 120,341.45

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1.5x scale

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.