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Finding the Fourth Proportional to 217,342.21, 325,978.34 and 59,533.77

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Solution

The fourth proportional to 217,342.21, 325,978.34 and 59,533.77 is: 89,291.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,342.21 : 325,978.34 = 59,533.77 : x
  2. Step 2: Convert to fraction form
    217,342.21/325,978.34 = 59,533.77/x
  3. Step 3: Cross multiply
    217,342.21x = 325,978.34 × 59,533.77
  4. Step 4: Simplify right side
    217,342.21x = 19,406,719,518.54
  5. Step 5: Solve for x
    x = 19,406,719,518.54/217,342.21
  6. Step 6: Final answer
    x = 89,291.07

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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.