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Finding the Fourth Proportional to 219,876.48, 303,429.42 and 119,274.48

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Solution

The fourth proportional to 219,876.48, 303,429.42 and 119,274.48 is: 164,598.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,876.48 : 303,429.42 = 119,274.48 : x
  2. Step 2: Convert to fraction form
    219,876.48/303,429.42 = 119,274.48/x
  3. Step 3: Cross multiply
    219,876.48x = 303,429.42 × 119,274.48
  4. Step 4: Simplify right side
    219,876.48x = 36,191,386,287.20
  5. Step 5: Solve for x
    x = 36,191,386,287.20/219,876.48
  6. Step 6: Final answer
    x = 164,598.72

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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.