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Finding the Fourth Proportional to 193,875.20, 290,467.20 and 166,227.20

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Solution

The fourth proportional to 193,875.20, 290,467.20 and 166,227.20 is: 249,044.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,875.20 : 290,467.20 = 166,227.20 : x
  2. Step 2: Convert to fraction form
    193,875.20/290,467.20 = 166,227.20/x
  3. Step 3: Cross multiply
    193,875.20x = 290,467.20 × 166,227.20
  4. Step 4: Simplify right side
    193,875.20x = 48,283,549,347.84
  5. Step 5: Solve for x
    x = 48,283,549,347.84/193,875.20
  6. Step 6: Final answer
    x = 249,044.49

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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.