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Finding the Fourth Proportional to 266,051.68, 367,159.09 and 145,200.73

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Solution

The fourth proportional to 266,051.68, 367,159.09 and 145,200.73 is: 200,381.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,051.68 : 367,159.09 = 145,200.73 : x
  2. Step 2: Convert to fraction form
    266,051.68/367,159.09 = 145,200.73/x
  3. Step 3: Cross multiply
    266,051.68x = 367,159.09 × 145,200.73
  4. Step 4: Simplify right side
    266,051.68x = 53,311,766,058.34
  5. Step 5: Solve for x
    x = 53,311,766,058.34/266,051.68
  6. Step 6: Final answer
    x = 200,381.25

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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.