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Finding the Fourth Proportional to 223,270.36, 334,916.47 and 90,134.00

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Solution

The fourth proportional to 223,270.36, 334,916.47 and 90,134.00 is: 135,205.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,270.36 : 334,916.47 = 90,134.00 : x
  2. Step 2: Convert to fraction form
    223,270.36/334,916.47 = 90,134.00/x
  3. Step 3: Cross multiply
    223,270.36x = 334,916.47 × 90,134.00
  4. Step 4: Simplify right side
    223,270.36x = 30,187,360,801.00
  5. Step 5: Solve for x
    x = 30,187,360,801.00/223,270.36
  6. Step 6: Final answer
    x = 135,205.41

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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.