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Finding the Fourth Proportional to 177,560.12, 266,331.12 and 65,231.72

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Solution

The fourth proportional to 177,560.12, 266,331.12 and 65,231.72 is: 97,844.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,560.12 : 266,331.12 = 65,231.72 : x
  2. Step 2: Convert to fraction form
    177,560.12/266,331.12 = 65,231.72/x
  3. Step 3: Cross multiply
    177,560.12x = 266,331.12 × 65,231.72
  4. Step 4: Simplify right side
    177,560.12x = 17,373,237,047.13
  5. Step 5: Solve for x
    x = 17,373,237,047.13/177,560.12
  6. Step 6: Final answer
    x = 97,844.25

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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.