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Finding the Fourth Proportional to 173,222.60, 259,870.35 and 54,905.90

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Solution

The fourth proportional to 173,222.60, 259,870.35 and 54,905.90 is: 82,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,222.60 : 259,870.35 = 54,905.90 : x
  2. Step 2: Convert to fraction form
    173,222.60/259,870.35 = 54,905.90/x
  3. Step 3: Cross multiply
    173,222.60x = 259,870.35 × 54,905.90
  4. Step 4: Simplify right side
    173,222.60x = 14,268,415,450.07
  5. Step 5: Solve for x
    x = 14,268,415,450.07/173,222.60
  6. Step 6: Final answer
    x = 82,370.40

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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.