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Finding the Fourth Proportional to 248,388.64, 343,084.08 and 180,296.80

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Solution

The fourth proportional to 248,388.64, 343,084.08 and 180,296.80 is: 249,032.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,388.64 : 343,084.08 = 180,296.80 : x
  2. Step 2: Convert to fraction form
    248,388.64/343,084.08 = 180,296.80/x
  3. Step 3: Cross multiply
    248,388.64x = 343,084.08 × 180,296.80
  4. Step 4: Simplify right side
    248,388.64x = 61,856,961,754.94
  5. Step 5: Solve for x
    x = 61,856,961,754.94/248,388.64
  6. Step 6: Final answer
    x = 249,032.97

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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.