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Finding the Fourth Proportional to 240,048.51, 360,091.14 and 71,555.96

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Solution

The fourth proportional to 240,048.51, 360,091.14 and 71,555.96 is: 107,339.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,048.51 : 360,091.14 = 71,555.96 : x
  2. Step 2: Convert to fraction form
    240,048.51/360,091.14 = 71,555.96/x
  3. Step 3: Cross multiply
    240,048.51x = 360,091.14 × 71,555.96
  4. Step 4: Simplify right side
    240,048.51x = 25,766,666,420.33
  5. Step 5: Solve for x
    x = 25,766,666,420.33/240,048.51
  6. Step 6: Final answer
    x = 107,339.41

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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.