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Finding the Fourth Proportional to 266,108.75, 367,245.06 and 152,938.79

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Solution

The fourth proportional to 266,108.75, 367,245.06 and 152,938.79 is: 211,064.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,108.75 : 367,245.06 = 152,938.79 : x
  2. Step 2: Convert to fraction form
    266,108.75/367,245.06 = 152,938.79/x
  3. Step 3: Cross multiply
    266,108.75x = 367,245.06 × 152,938.79
  4. Step 4: Simplify right side
    266,108.75x = 56,166,015,109.88
  5. Step 5: Solve for x
    x = 56,166,015,109.88/266,108.75
  6. Step 6: Final answer
    x = 211,064.14

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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.