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Finding the Fourth Proportional to 173,699.20, 260,563.20 and 55,367.20

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Solution

The fourth proportional to 173,699.20, 260,563.20 and 55,367.20 is: 83,055.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,699.20 : 260,563.20 = 55,367.20 : x
  2. Step 2: Convert to fraction form
    173,699.20/260,563.20 = 55,367.20/x
  3. Step 3: Cross multiply
    173,699.20x = 260,563.20 × 55,367.20
  4. Step 4: Simplify right side
    173,699.20x = 14,426,654,807.04
  5. Step 5: Solve for x
    x = 14,426,654,807.04/173,699.20
  6. Step 6: Final answer
    x = 83,055.39

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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.