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Finding the Fourth Proportional to 193,602.84, 290,418.84 and 53,360.25

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Solution

The fourth proportional to 193,602.84, 290,418.84 and 53,360.25 is: 80,044.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,602.84 : 290,418.84 = 53,360.25 : x
  2. Step 2: Convert to fraction form
    193,602.84/290,418.84 = 53,360.25/x
  3. Step 3: Cross multiply
    193,602.84x = 290,418.84 × 53,360.25
  4. Step 4: Simplify right side
    193,602.84x = 15,496,821,907.11
  5. Step 5: Solve for x
    x = 15,496,821,907.11/193,602.84
  6. Step 6: Final answer
    x = 80,044.39

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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.