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Finding the Fourth Proportional to 219,328.89, 329,114.99 and 107,010.03

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Solution

The fourth proportional to 219,328.89, 329,114.99 and 107,010.03 is: 160,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,328.89 : 329,114.99 = 107,010.03 : x
  2. Step 2: Convert to fraction form
    219,328.89/329,114.99 = 107,010.03/x
  3. Step 3: Cross multiply
    219,328.89x = 329,114.99 × 107,010.03
  4. Step 4: Simplify right side
    219,328.89x = 35,218,604,418.30
  5. Step 5: Solve for x
    x = 35,218,604,418.30/219,328.89
  6. Step 6: Final answer
    x = 160,574.40

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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.