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Finding the Fourth Proportional to 245,964.60, 339,422.40 and 150,465.60

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Solution

The fourth proportional to 245,964.60, 339,422.40 and 150,465.60 is: 207,637.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,964.60 : 339,422.40 = 150,465.60 : x
  2. Step 2: Convert to fraction form
    245,964.60/339,422.40 = 150,465.60/x
  3. Step 3: Cross multiply
    245,964.60x = 339,422.40 × 150,465.60
  4. Step 4: Simplify right side
    245,964.60x = 51,071,395,069.44
  5. Step 5: Solve for x
    x = 51,071,395,069.44/245,964.60
  6. Step 6: Final answer
    x = 207,637.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.