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Finding the Fourth Proportional to 122,683.80, 184,025.70 and 93,159.30

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Solution

The fourth proportional to 122,683.80, 184,025.70 and 93,159.30 is: 139,738.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,683.80 : 184,025.70 = 93,159.30 : x
  2. Step 2: Convert to fraction form
    122,683.80/184,025.70 = 93,159.30/x
  3. Step 3: Cross multiply
    122,683.80x = 184,025.70 × 93,159.30
  4. Step 4: Simplify right side
    122,683.80x = 17,143,705,394.01
  5. Step 5: Solve for x
    x = 17,143,705,394.01/122,683.80
  6. Step 6: Final answer
    x = 139,738.95

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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.