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Finding the Fourth Proportional to 240,681.60, 361,153.56 and 107,556.48

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Solution

The fourth proportional to 240,681.60, 361,153.56 and 107,556.48 is: 161,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,681.60 : 361,153.56 = 107,556.48 : x
  2. Step 2: Convert to fraction form
    240,681.60/361,153.56 = 107,556.48/x
  3. Step 3: Cross multiply
    240,681.60x = 361,153.56 × 107,556.48
  4. Step 4: Simplify right side
    240,681.60x = 38,844,405,653.07
  5. Step 5: Solve for x
    x = 38,844,405,653.07/240,681.60
  6. Step 6: Final answer
    x = 161,393.33

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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.