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Finding the Fourth Proportional to 173,139.60, 259,733.70 and 54,798.60

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Solution

The fourth proportional to 173,139.60, 259,733.70 and 54,798.60 is: 82,205.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,139.60 : 259,733.70 = 54,798.60 : x
  2. Step 2: Convert to fraction form
    173,139.60/259,733.70 = 54,798.60/x
  3. Step 3: Cross multiply
    173,139.60x = 259,733.70 × 54,798.60
  4. Step 4: Simplify right side
    173,139.60x = 14,233,043,132.82
  5. Step 5: Solve for x
    x = 14,233,043,132.82/173,139.60
  6. Step 6: Final answer
    x = 82,205.59

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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.