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Finding the Fourth Proportional to 173,806.80, 260,714.76 and 55,477.98

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Solution

The fourth proportional to 173,806.80, 260,714.76 and 55,477.98 is: 83,218.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,806.80 : 260,714.76 = 55,477.98 : x
  2. Step 2: Convert to fraction form
    173,806.80/260,714.76 = 55,477.98/x
  3. Step 3: Cross multiply
    173,806.80x = 260,714.76 × 55,477.98
  4. Step 4: Simplify right side
    173,806.80x = 14,463,928,240.98
  5. Step 5: Solve for x
    x = 14,463,928,240.98/173,806.80
  6. Step 6: Final answer
    x = 83,218.43

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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.