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Finding the Fourth Proportional to 248,002.40, 371,794.56 and 107,655.32

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Solution

The fourth proportional to 248,002.40, 371,794.56 and 107,655.32 is: 161,392.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,002.40 : 371,794.56 = 107,655.32 : x
  2. Step 2: Convert to fraction form
    248,002.40/371,794.56 = 107,655.32/x
  3. Step 3: Cross multiply
    248,002.40x = 371,794.56 × 107,655.32
  4. Step 4: Simplify right side
    248,002.40x = 40,025,662,331.06
  5. Step 5: Solve for x
    x = 40,025,662,331.06/248,002.40
  6. Step 6: Final answer
    x = 161,392.24

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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.