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Finding the Fourth Proportional to 266,932.74, 368,367.21 and 146,074.02

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Solution

The fourth proportional to 266,932.74, 368,367.21 and 146,074.02 is: 201,582.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,932.74 : 368,367.21 = 146,074.02 : x
  2. Step 2: Convert to fraction form
    266,932.74/368,367.21 = 146,074.02/x
  3. Step 3: Cross multiply
    266,932.74x = 368,367.21 × 146,074.02
  4. Step 4: Simplify right side
    266,932.74x = 53,808,879,200.88
  5. Step 5: Solve for x
    x = 53,808,879,200.88/266,932.74
  6. Step 6: Final answer
    x = 201,582.16

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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.