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Finding the Fourth Proportional to 214,820.61, 322,291.24 and 63,021.27

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Solution

The fourth proportional to 214,820.61, 322,291.24 and 63,021.27 is: 94,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,820.61 : 322,291.24 = 63,021.27 : x
  2. Step 2: Convert to fraction form
    214,820.61/322,291.24 = 63,021.27/x
  3. Step 3: Cross multiply
    214,820.61x = 322,291.24 × 63,021.27
  4. Step 4: Simplify right side
    214,820.61x = 20,311,202,670.07
  5. Step 5: Solve for x
    x = 20,311,202,670.07/214,820.61
  6. Step 6: Final answer
    x = 94,549.60

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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.