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Finding the Fourth Proportional to 173,078.60, 259,642.20 and 54,737.60

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Solution

The fourth proportional to 173,078.60, 259,642.20 and 54,737.60 is: 82,114.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,078.60 : 259,642.20 = 54,737.60 : x
  2. Step 2: Convert to fraction form
    173,078.60/259,642.20 = 54,737.60/x
  3. Step 3: Cross multiply
    173,078.60x = 259,642.20 × 54,737.60
  4. Step 4: Simplify right side
    173,078.60x = 14,212,190,886.72
  5. Step 5: Solve for x
    x = 14,212,190,886.72/173,078.60
  6. Step 6: Final answer
    x = 82,114.09

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1.5x scale

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.