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Finding the Fourth Proportional to 184,235.40, 276,644.70 and 139,912.20

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Solution

The fourth proportional to 184,235.40, 276,644.70 and 139,912.20 is: 210,089.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,235.40 : 276,644.70 = 139,912.20 : x
  2. Step 2: Convert to fraction form
    184,235.40/276,644.70 = 139,912.20/x
  3. Step 3: Cross multiply
    184,235.40x = 276,644.70 × 139,912.20
  4. Step 4: Simplify right side
    184,235.40x = 38,705,968,595.34
  5. Step 5: Solve for x
    x = 38,705,968,595.34/184,235.40
  6. Step 6: Final answer
    x = 210,089.75

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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.