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Finding the Fourth Proportional to 115,379.70, 173,069.55 and 48,802.56

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Solution

The fourth proportional to 115,379.70, 173,069.55 and 48,802.56 is: 73,203.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,379.70 : 173,069.55 = 48,802.56 : x
  2. Step 2: Convert to fraction form
    115,379.70/173,069.55 = 48,802.56/x
  3. Step 3: Cross multiply
    115,379.70x = 173,069.55 × 48,802.56
  4. Step 4: Simplify right side
    115,379.70x = 8,446,237,098.05
  5. Step 5: Solve for x
    x = 8,446,237,098.05/115,379.70
  6. Step 6: Final answer
    x = 73,203.84

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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.