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Finding the Fourth Proportional to 173,166.10, 259,749.15 and 155,451.40

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Solution

The fourth proportional to 173,166.10, 259,749.15 and 155,451.40 is: 233,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,166.10 : 259,749.15 = 155,451.40 : x
  2. Step 2: Convert to fraction form
    173,166.10/259,749.15 = 155,451.40/x
  3. Step 3: Cross multiply
    173,166.10x = 259,749.15 × 155,451.40
  4. Step 4: Simplify right side
    173,166.10x = 40,378,369,016.31
  5. Step 5: Solve for x
    x = 40,378,369,016.31/173,166.10
  6. Step 6: Final answer
    x = 233,177.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.