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Finding the Fourth Proportional to 177,774.72, 266,662.08 and 72,570.24

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Solution

The fourth proportional to 177,774.72, 266,662.08 and 72,570.24 is: 108,855.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,774.72 : 266,662.08 = 72,570.24 : x
  2. Step 2: Convert to fraction form
    177,774.72/266,662.08 = 72,570.24/x
  3. Step 3: Cross multiply
    177,774.72x = 266,662.08 × 72,570.24
  4. Step 4: Simplify right side
    177,774.72x = 19,351,731,144.50
  5. Step 5: Solve for x
    x = 19,351,731,144.50/177,774.72
  6. Step 6: Final answer
    x = 108,855.36

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1.5x scale

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.