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Finding the Fourth Proportional to 201,311.30, 301,621.35 and 95,903.30

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Solution

The fourth proportional to 201,311.30, 301,621.35 and 95,903.30 is: 143,690.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,311.30 : 301,621.35 = 95,903.30 : x
  2. Step 2: Convert to fraction form
    201,311.30/301,621.35 = 95,903.30/x
  3. Step 3: Cross multiply
    201,311.30x = 301,621.35 × 95,903.30
  4. Step 4: Simplify right side
    201,311.30x = 28,926,482,815.46
  5. Step 5: Solve for x
    x = 28,926,482,815.46/201,311.30
  6. Step 6: Final answer
    x = 143,690.31

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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.