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Finding the Fourth Proportional to 219,654, 303,123.60 and 119,052

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Solution

The fourth proportional to 219,654, 303,123.60 and 119,052 is: 164,292.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,654 : 303,123.60 = 119,052 : x
  2. Step 2: Convert to fraction form
    219,654/303,123.60 = 119,052/x
  3. Step 3: Cross multiply
    219,654x = 303,123.60 × 119,052
  4. Step 4: Simplify right side
    219,654x = 36,087,470,827.20
  5. Step 5: Solve for x
    x = 36,087,470,827.20/219,654
  6. Step 6: Final answer
    x = 164,292.35

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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.