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Finding the Fourth Proportional to 115,469.60, 173,074.80 and 48,898.40

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Solution

The fourth proportional to 115,469.60, 173,074.80 and 48,898.40 is: 73,292.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,469.60 : 173,074.80 = 48,898.40 : x
  2. Step 2: Convert to fraction form
    115,469.60/173,074.80 = 48,898.40/x
  3. Step 3: Cross multiply
    115,469.60x = 173,074.80 × 48,898.40
  4. Step 4: Simplify right side
    115,469.60x = 8,463,080,800.32
  5. Step 5: Solve for x
    x = 8,463,080,800.32/115,469.60
  6. Step 6: Final answer
    x = 73,292.72

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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.