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Finding the Fourth Proportional to 122,652.63, 184,107.65 and 108,701.91

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Solution

The fourth proportional to 122,652.63, 184,107.65 and 108,701.91 is: 163,166.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,652.63 : 184,107.65 = 108,701.91 : x
  2. Step 2: Convert to fraction form
    122,652.63/184,107.65 = 108,701.91/x
  3. Step 3: Cross multiply
    122,652.63x = 184,107.65 × 108,701.91
  4. Step 4: Simplify right side
    122,652.63x = 20,012,852,657.10
  5. Step 5: Solve for x
    x = 20,012,852,657.10/122,652.63
  6. Step 6: Final answer
    x = 163,166.93

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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.