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Finding the Fourth Proportional to 174,696.90, 262,242.45 and 115,647.90

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Solution

The fourth proportional to 174,696.90, 262,242.45 and 115,647.90 is: 173,602.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,696.90 : 262,242.45 = 115,647.90 : x
  2. Step 2: Convert to fraction form
    174,696.90/262,242.45 = 115,647.90/x
  3. Step 3: Cross multiply
    174,696.90x = 262,242.45 × 115,647.90
  4. Step 4: Simplify right side
    174,696.90x = 30,327,788,633.36
  5. Step 5: Solve for x
    x = 30,327,788,633.36/174,696.90
  6. Step 6: Final answer
    x = 173,602.33

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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.