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Finding the Fourth Proportional to 177,620.01, 266,471.90 and 57,676.57

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Solution

The fourth proportional to 177,620.01, 266,471.90 and 57,676.57 is: 86,528.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,620.01 : 266,471.90 = 57,676.57 : x
  2. Step 2: Convert to fraction form
    177,620.01/266,471.90 = 57,676.57/x
  3. Step 3: Cross multiply
    177,620.01x = 266,471.90 × 57,676.57
  4. Step 4: Simplify right side
    177,620.01x = 15,369,184,455.11
  5. Step 5: Solve for x
    x = 15,369,184,455.11/177,620.01
  6. Step 6: Final answer
    x = 86,528.45

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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.