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Finding the Fourth Proportional to 223,389.80, 335,084.70 and 134,816.30

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Solution

The fourth proportional to 223,389.80, 335,084.70 and 134,816.30 is: 202,224.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,389.80 : 335,084.70 = 134,816.30 : x
  2. Step 2: Convert to fraction form
    223,389.80/335,084.70 = 134,816.30/x
  3. Step 3: Cross multiply
    223,389.80x = 335,084.70 × 134,816.30
  4. Step 4: Simplify right side
    223,389.80x = 45,174,879,440.61
  5. Step 5: Solve for x
    x = 45,174,879,440.61/223,389.80
  6. Step 6: Final answer
    x = 202,224.45

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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.