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Finding the Fourth Proportional to 201,226.70, 301,840.05 and 53,482.70

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Solution

The fourth proportional to 201,226.70, 301,840.05 and 53,482.70 is: 80,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,226.70 : 301,840.05 = 53,482.70 : x
  2. Step 2: Convert to fraction form
    201,226.70/301,840.05 = 53,482.70/x
  3. Step 3: Cross multiply
    201,226.70x = 301,840.05 × 53,482.70
  4. Step 4: Simplify right side
    201,226.70x = 16,143,220,842.14
  5. Step 5: Solve for x
    x = 16,143,220,842.14/201,226.70
  6. Step 6: Final answer
    x = 80,224.05

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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.