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Finding the Fourth Proportional to 173,403.78, 260,105.68 and 48,744.78

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Solution

The fourth proportional to 173,403.78, 260,105.68 and 48,744.78 is: 73,117.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,403.78 : 260,105.68 = 48,744.78 : x
  2. Step 2: Convert to fraction form
    173,403.78/260,105.68 = 48,744.78/x
  3. Step 3: Cross multiply
    173,403.78x = 260,105.68 × 48,744.78
  4. Step 4: Simplify right side
    173,403.78x = 12,678,794,148.35
  5. Step 5: Solve for x
    x = 12,678,794,148.35/173,403.78
  6. Step 6: Final answer
    x = 73,117.17

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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.