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Finding the Fourth Proportional to 227,208.40, 340,809.40 and 102,549.20

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Solution

The fourth proportional to 227,208.40, 340,809.40 and 102,549.20 is: 153,822.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,208.40 : 340,809.40 = 102,549.20 : x
  2. Step 2: Convert to fraction form
    227,208.40/340,809.40 = 102,549.20/x
  3. Step 3: Cross multiply
    227,208.40x = 340,809.40 × 102,549.20
  4. Step 4: Simplify right side
    227,208.40x = 34,949,731,322.48
  5. Step 5: Solve for x
    x = 34,949,731,322.48/227,208.40
  6. Step 6: Final answer
    x = 153,822.36

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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.