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Finding the Fourth Proportional to 266,521.94, 367,808.75 and 145,660.58

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Solution

The fourth proportional to 266,521.94, 367,808.75 and 145,660.58 is: 201,016.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,521.94 : 367,808.75 = 145,660.58 : x
  2. Step 2: Convert to fraction form
    266,521.94/367,808.75 = 145,660.58/x
  3. Step 3: Cross multiply
    266,521.94x = 367,808.75 × 145,660.58
  4. Step 4: Simplify right side
    266,521.94x = 53,575,235,212.24
  5. Step 5: Solve for x
    x = 53,575,235,212.24/266,521.94
  6. Step 6: Final answer
    x = 201,016.23

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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.