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Finding the Fourth Proportional to 184,030.40, 275,872.80 and 144,027.20

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Solution

The fourth proportional to 184,030.40, 275,872.80 and 144,027.20 is: 215,905.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,030.40 : 275,872.80 = 144,027.20 : x
  2. Step 2: Convert to fraction form
    184,030.40/275,872.80 = 144,027.20/x
  3. Step 3: Cross multiply
    184,030.40x = 275,872.80 × 144,027.20
  4. Step 4: Simplify right side
    184,030.40x = 39,733,186,940.16
  5. Step 5: Solve for x
    x = 39,733,186,940.16/184,030.40
  6. Step 6: Final answer
    x = 215,905.56

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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.