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Finding the Fourth Proportional to 240,515.36, 360,829.14 and 69,740.63

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Solution

The fourth proportional to 240,515.36, 360,829.14 and 69,740.63 is: 104,627.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,515.36 : 360,829.14 = 69,740.63 : x
  2. Step 2: Convert to fraction form
    240,515.36/360,829.14 = 69,740.63/x
  3. Step 3: Cross multiply
    240,515.36x = 360,829.14 × 69,740.63
  4. Step 4: Simplify right side
    240,515.36x = 25,164,450,833.39
  5. Step 5: Solve for x
    x = 25,164,450,833.39/240,515.36
  6. Step 6: Final answer
    x = 104,627.21

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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.