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Finding the Fourth Proportional to 173,194.80, 259,743.60 and 54,902.40

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Solution

The fourth proportional to 173,194.80, 259,743.60 and 54,902.40 is: 82,338.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,194.80 : 259,743.60 = 54,902.40 : x
  2. Step 2: Convert to fraction form
    173,194.80/259,743.60 = 54,902.40/x
  3. Step 3: Cross multiply
    173,194.80x = 259,743.60 × 54,902.40
  4. Step 4: Simplify right side
    173,194.80x = 14,260,547,024.64
  5. Step 5: Solve for x
    x = 14,260,547,024.64/173,194.80
  6. Step 6: Final answer
    x = 82,338.19

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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.