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Finding the Fourth Proportional to 233,420.20, 350,081.70 and 100,304.80

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Solution

The fourth proportional to 233,420.20, 350,081.70 and 100,304.80 is: 150,436.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,420.20 : 350,081.70 = 100,304.80 : x
  2. Step 2: Convert to fraction form
    233,420.20/350,081.70 = 100,304.80/x
  3. Step 3: Cross multiply
    233,420.20x = 350,081.70 × 100,304.80
  4. Step 4: Simplify right side
    233,420.20x = 35,114,874,902.16
  5. Step 5: Solve for x
    x = 35,114,874,902.16/233,420.20
  6. Step 6: Final answer
    x = 150,436.32

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1.5x scale

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.