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Finding the Fourth Proportional to 122,943.40, 184,415.10 and 122,943.40

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Solution

The fourth proportional to 122,943.40, 184,415.10 and 122,943.40 is: 184,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,943.40 : 184,415.10 = 122,943.40 : x
  2. Step 2: Convert to fraction form
    122,943.40/184,415.10 = 122,943.40/x
  3. Step 3: Cross multiply
    122,943.40x = 184,415.10 × 122,943.40
  4. Step 4: Simplify right side
    122,943.40x = 22,672,619,405.34
  5. Step 5: Solve for x
    x = 22,672,619,405.34/122,943.40
  6. Step 6: Final answer
    x = 184,415.10

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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.