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Finding the Fourth Proportional to 266,847.30, 368,235.54 and 145,965.06

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Solution

The fourth proportional to 266,847.30, 368,235.54 and 145,965.06 is: 201,424.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,847.30 : 368,235.54 = 145,965.06 : x
  2. Step 2: Convert to fraction form
    266,847.30/368,235.54 = 145,965.06/x
  3. Step 3: Cross multiply
    266,847.30x = 368,235.54 × 145,965.06
  4. Step 4: Simplify right side
    266,847.30x = 53,749,522,690.23
  5. Step 5: Solve for x
    x = 53,749,522,690.23/266,847.30
  6. Step 6: Final answer
    x = 201,424.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.