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Finding the Fourth Proportional to 353,725.02, 530,608.30 and 100,986.08

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Solution

The fourth proportional to 353,725.02, 530,608.30 and 100,986.08 is: 151,485.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,725.02 : 530,608.30 = 100,986.08 : x
  2. Step 2: Convert to fraction form
    353,725.02/530,608.30 = 100,986.08/x
  3. Step 3: Cross multiply
    353,725.02x = 530,608.30 × 100,986.08
  4. Step 4: Simplify right side
    353,725.02x = 53,584,052,232.46
  5. Step 5: Solve for x
    x = 53,584,052,232.46/353,725.02
  6. Step 6: Final answer
    x = 151,485.05

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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.