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Finding the Fourth Proportional to 240,536.16, 360,888.48 and 74,324.16

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Solution

The fourth proportional to 240,536.16, 360,888.48 and 74,324.16 is: 111,512.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,536.16 : 360,888.48 = 74,324.16 : x
  2. Step 2: Convert to fraction form
    240,536.16/360,888.48 = 74,324.16/x
  3. Step 3: Cross multiply
    240,536.16x = 360,888.48 × 74,324.16
  4. Step 4: Simplify right side
    240,536.16x = 26,822,733,129.68
  5. Step 5: Solve for x
    x = 26,822,733,129.68/240,536.16
  6. Step 6: Final answer
    x = 111,512.27

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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.