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Finding the Fourth Proportional to 122,996.70, 184,495.05 and 101,126.70

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Solution

The fourth proportional to 122,996.70, 184,495.05 and 101,126.70 is: 151,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,996.70 : 184,495.05 = 101,126.70 : x
  2. Step 2: Convert to fraction form
    122,996.70/184,495.05 = 101,126.70/x
  3. Step 3: Cross multiply
    122,996.70x = 184,495.05 × 101,126.70
  4. Step 4: Simplify right side
    122,996.70x = 18,657,375,572.84
  5. Step 5: Solve for x
    x = 18,657,375,572.84/122,996.70
  6. Step 6: Final answer
    x = 151,690.05

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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.