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Finding the Fourth Proportional to 240,514.78, 360,670.67 and 72,059.06

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Solution

The fourth proportional to 240,514.78, 360,670.67 and 72,059.06 is: 108,058.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,514.78 : 360,670.67 = 72,059.06 : x
  2. Step 2: Convert to fraction form
    240,514.78/360,670.67 = 72,059.06/x
  3. Step 3: Cross multiply
    240,514.78x = 360,670.67 × 72,059.06
  4. Step 4: Simplify right side
    240,514.78x = 25,989,587,556.34
  5. Step 5: Solve for x
    x = 25,989,587,556.34/240,514.78
  6. Step 6: Final answer
    x = 108,058.17

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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.