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Finding the Fourth Proportional to 219,900.61, 303,463.43 and 119,298.61

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Solution

The fourth proportional to 219,900.61, 303,463.43 and 119,298.61 is: 164,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,900.61 : 303,463.43 = 119,298.61 : x
  2. Step 2: Convert to fraction form
    219,900.61/303,463.43 = 119,298.61/x
  3. Step 3: Cross multiply
    219,900.61x = 303,463.43 × 119,298.61
  4. Step 4: Simplify right side
    219,900.61x = 36,202,765,384.83
  5. Step 5: Solve for x
    x = 36,202,765,384.83/219,900.61
  6. Step 6: Final answer
    x = 164,632.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.