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Finding the Fourth Proportional to 266,573.55, 367,871.49 and 145,715.34

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Solution

The fourth proportional to 266,573.55, 367,871.49 and 145,715.34 is: 201,087.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,573.55 : 367,871.49 = 145,715.34 : x
  2. Step 2: Convert to fraction form
    266,573.55/367,871.49 = 145,715.34/x
  3. Step 3: Cross multiply
    266,573.55x = 367,871.49 × 145,715.34
  4. Step 4: Simplify right side
    266,573.55x = 53,604,519,241.66
  5. Step 5: Solve for x
    x = 53,604,519,241.66/266,573.55
  6. Step 6: Final answer
    x = 201,087.16

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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.