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Finding the Fourth Proportional to 184,424.40, 276,463.80 and 144,421.20

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Solution

The fourth proportional to 184,424.40, 276,463.80 and 144,421.20 is: 216,496.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,424.40 : 276,463.80 = 144,421.20 : x
  2. Step 2: Convert to fraction form
    184,424.40/276,463.80 = 144,421.20/x
  3. Step 3: Cross multiply
    184,424.40x = 276,463.80 × 144,421.20
  4. Step 4: Simplify right side
    184,424.40x = 39,927,233,752.56
  5. Step 5: Solve for x
    x = 39,927,233,752.56/184,424.40
  6. Step 6: Final answer
    x = 216,496.48

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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.