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Finding the Fourth Proportional to 173,775.68, 260,684.04 and 55,405.52

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Solution

The fourth proportional to 173,775.68, 260,684.04 and 55,405.52 is: 83,114.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,775.68 : 260,684.04 = 55,405.52 : x
  2. Step 2: Convert to fraction form
    173,775.68/260,684.04 = 55,405.52/x
  3. Step 3: Cross multiply
    173,775.68x = 260,684.04 × 55,405.52
  4. Step 4: Simplify right side
    173,775.68x = 14,443,334,791.90
  5. Step 5: Solve for x
    x = 14,443,334,791.90/173,775.68
  6. Step 6: Final answer
    x = 83,114.82

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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.