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Finding the Fourth Proportional to 184,430.40, 276,472.80 and 144,427.20

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Solution

The fourth proportional to 184,430.40, 276,472.80 and 144,427.20 is: 216,505.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,430.40 : 276,472.80 = 144,427.20 : x
  2. Step 2: Convert to fraction form
    184,430.40/276,472.80 = 144,427.20/x
  3. Step 3: Cross multiply
    184,430.40x = 276,472.80 × 144,427.20
  4. Step 4: Simplify right side
    184,430.40x = 39,930,192,380.16
  5. Step 5: Solve for x
    x = 39,930,192,380.16/184,430.40
  6. Step 6: Final answer
    x = 216,505.48

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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.