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Finding the Fourth Proportional to 173,788.68, 260,703.54 and 55,418.52

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Solution

The fourth proportional to 173,788.68, 260,703.54 and 55,418.52 is: 83,134.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,788.68 : 260,703.54 = 55,418.52 : x
  2. Step 2: Convert to fraction form
    173,788.68/260,703.54 = 55,418.52/x
  3. Step 3: Cross multiply
    173,788.68x = 260,703.54 × 55,418.52
  4. Step 4: Simplify right side
    173,788.68x = 14,447,804,345.56
  5. Step 5: Solve for x
    x = 14,447,804,345.56/173,788.68
  6. Step 6: Final answer
    x = 83,134.32

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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.