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Finding the Fourth Proportional to 230,133.80, 345,253 and 70,224.04

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Solution

The fourth proportional to 230,133.80, 345,253 and 70,224.04 is: 105,352.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,133.80 : 345,253 = 70,224.04 : x
  2. Step 2: Convert to fraction form
    230,133.80/345,253 = 70,224.04/x
  3. Step 3: Cross multiply
    230,133.80x = 345,253 × 70,224.04
  4. Step 4: Simplify right side
    230,133.80x = 24,245,060,482.12
  5. Step 5: Solve for x
    x = 24,245,060,482.12/230,133.80
  6. Step 6: Final answer
    x = 105,352.02

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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.