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Finding the Fourth Proportional to 240,116.33, 360,161.51 and 121,784.60

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Solution

The fourth proportional to 240,116.33, 360,161.51 and 121,784.60 is: 182,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,116.33 : 360,161.51 = 121,784.60 : x
  2. Step 2: Convert to fraction form
    240,116.33/360,161.51 = 121,784.60/x
  3. Step 3: Cross multiply
    240,116.33x = 360,161.51 × 121,784.60
  4. Step 4: Simplify right side
    240,116.33x = 43,862,123,021.02
  5. Step 5: Solve for x
    x = 43,862,123,021.02/240,116.33
  6. Step 6: Final answer
    x = 182,670.31

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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.