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Finding the Fourth Proportional to 122,906.70, 184,417.45 and 63,710.08

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Solution

The fourth proportional to 122,906.70, 184,417.45 and 63,710.08 is: 95,594.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,906.70 : 184,417.45 = 63,710.08 : x
  2. Step 2: Convert to fraction form
    122,906.70/184,417.45 = 63,710.08/x
  3. Step 3: Cross multiply
    122,906.70x = 184,417.45 × 63,710.08
  4. Step 4: Simplify right side
    122,906.70x = 11,749,249,872.58
  5. Step 5: Solve for x
    x = 11,749,249,872.58/122,906.70
  6. Step 6: Final answer
    x = 95,594.87

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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.