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Finding the Fourth Proportional to 122,925.90, 184,446.45 and 63,828.30

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Solution

The fourth proportional to 122,925.90, 184,446.45 and 63,828.30 is: 95,772.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,925.90 : 184,446.45 = 63,828.30 : x
  2. Step 2: Convert to fraction form
    122,925.90/184,446.45 = 63,828.30/x
  3. Step 3: Cross multiply
    122,925.90x = 184,446.45 × 63,828.30
  4. Step 4: Simplify right side
    122,925.90x = 11,772,903,344.54
  5. Step 5: Solve for x
    x = 11,772,903,344.54/122,925.90
  6. Step 6: Final answer
    x = 95,772.36

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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.