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Finding the Fourth Proportional to 122,994.70, 184,492.05 and 101,124.70

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Solution

The fourth proportional to 122,994.70, 184,492.05 and 101,124.70 is: 151,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,994.70 : 184,492.05 = 101,124.70 : x
  2. Step 2: Convert to fraction form
    122,994.70/184,492.05 = 101,124.70/x
  3. Step 3: Cross multiply
    122,994.70x = 184,492.05 × 101,124.70
  4. Step 4: Simplify right side
    122,994.70x = 18,656,703,208.64
  5. Step 5: Solve for x
    x = 18,656,703,208.64/122,994.70
  6. Step 6: Final answer
    x = 151,687.05

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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.