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Finding the Fourth Proportional to 173,287.60, 260,028.60 and 73,430.80

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Solution

The fourth proportional to 173,287.60, 260,028.60 and 73,430.80 is: 110,187.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,287.60 : 260,028.60 = 73,430.80 : x
  2. Step 2: Convert to fraction form
    173,287.60/260,028.60 = 73,430.80/x
  3. Step 3: Cross multiply
    173,287.60x = 260,028.60 × 73,430.80
  4. Step 4: Simplify right side
    173,287.60x = 19,094,108,120.88
  5. Step 5: Solve for x
    x = 19,094,108,120.88/173,287.60
  6. Step 6: Final answer
    x = 110,187.39

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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.