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Finding the Fourth Proportional to 173,402.60, 260,111.10 and 55,070.60

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Solution

The fourth proportional to 173,402.60, 260,111.10 and 55,070.60 is: 82,608.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,402.60 : 260,111.10 = 55,070.60 : x
  2. Step 2: Convert to fraction form
    173,402.60/260,111.10 = 55,070.60/x
  3. Step 3: Cross multiply
    173,402.60x = 260,111.10 × 55,070.60
  4. Step 4: Simplify right side
    173,402.60x = 14,324,474,343.66
  5. Step 5: Solve for x
    x = 14,324,474,343.66/173,402.60
  6. Step 6: Final answer
    x = 82,608.19

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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.