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Finding the Fourth Proportional to 266,047.30, 399,074.46 and 88,554.34

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Solution

The fourth proportional to 266,047.30, 399,074.46 and 88,554.34 is: 132,832.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,047.30 : 399,074.46 = 88,554.34 : x
  2. Step 2: Convert to fraction form
    266,047.30/399,074.46 = 88,554.34/x
  3. Step 3: Cross multiply
    266,047.30x = 399,074.46 × 88,554.34
  4. Step 4: Simplify right side
    266,047.30x = 35,339,775,416.16
  5. Step 5: Solve for x
    x = 35,339,775,416.16/266,047.30
  6. Step 6: Final answer
    x = 132,832.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.