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Finding the Fourth Proportional to 219,883.77, 303,440.18 and 119,281.77

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Solution

The fourth proportional to 219,883.77, 303,440.18 and 119,281.77 is: 164,609.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,883.77 : 303,440.18 = 119,281.77 : x
  2. Step 2: Convert to fraction form
    219,883.77/303,440.18 = 119,281.77/x
  3. Step 3: Cross multiply
    219,883.77x = 303,440.18 × 119,281.77
  4. Step 4: Simplify right side
    219,883.77x = 36,194,881,759.52
  5. Step 5: Solve for x
    x = 36,194,881,759.52/219,883.77
  6. Step 6: Final answer
    x = 164,609.16

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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.