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Finding the Fourth Proportional to 184,041.31, 253,978.11 and 103,468.15

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Solution

The fourth proportional to 184,041.31, 253,978.11 and 103,468.15 is: 142,786.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,041.31 : 253,978.11 = 103,468.15 : x
  2. Step 2: Convert to fraction form
    184,041.31/253,978.11 = 103,468.15/x
  3. Step 3: Cross multiply
    184,041.31x = 253,978.11 × 103,468.15
  4. Step 4: Simplify right side
    184,041.31x = 26,278,645,182.20
  5. Step 5: Solve for x
    x = 26,278,645,182.20/184,041.31
  6. Step 6: Final answer
    x = 142,786.67

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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.