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Finding the Fourth Proportional to 173,386.60, 260,087.10 and 55,054.60

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Solution

The fourth proportional to 173,386.60, 260,087.10 and 55,054.60 is: 82,584.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,386.60 : 260,087.10 = 55,054.60 : x
  2. Step 2: Convert to fraction form
    173,386.60/260,087.10 = 55,054.60/x
  3. Step 3: Cross multiply
    173,386.60x = 260,087.10 × 55,054.60
  4. Step 4: Simplify right side
    173,386.60x = 14,318,991,255.66
  5. Step 5: Solve for x
    x = 14,318,991,255.66/173,386.60
  6. Step 6: Final answer
    x = 82,584.19

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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.