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Finding the Fourth Proportional to 240,296.22, 360,440.88 and 71,812.80

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Solution

The fourth proportional to 240,296.22, 360,440.88 and 71,812.80 is: 107,718.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,296.22 : 360,440.88 = 71,812.80 : x
  2. Step 2: Convert to fraction form
    240,296.22/360,440.88 = 71,812.80/x
  3. Step 3: Cross multiply
    240,296.22x = 360,440.88 × 71,812.80
  4. Step 4: Simplify right side
    240,296.22x = 25,884,268,827.26
  5. Step 5: Solve for x
    x = 25,884,268,827.26/240,296.22
  6. Step 6: Final answer
    x = 107,718.17

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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.