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Finding the Fourth Proportional to 122,699.70, 184,049.58 and 43,803.66

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Solution

The fourth proportional to 122,699.70, 184,049.58 and 43,803.66 is: 65,705.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,699.70 : 184,049.58 = 43,803.66 : x
  2. Step 2: Convert to fraction form
    122,699.70/184,049.58 = 43,803.66/x
  3. Step 3: Cross multiply
    122,699.70x = 184,049.58 × 43,803.66
  4. Step 4: Simplify right side
    122,699.70x = 8,062,045,225.46
  5. Step 5: Solve for x
    x = 8,062,045,225.46/122,699.70
  6. Step 6: Final answer
    x = 65,705.50

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1.5x scale

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.