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Finding the Fourth Proportional to 177,464.40, 266,131.80 and 59,139.60

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Solution

The fourth proportional to 177,464.40, 266,131.80 and 59,139.60 is: 88,687.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,464.40 : 266,131.80 = 59,139.60 : x
  2. Step 2: Convert to fraction form
    177,464.40/266,131.80 = 59,139.60/x
  3. Step 3: Cross multiply
    177,464.40x = 266,131.80 × 59,139.60
  4. Step 4: Simplify right side
    177,464.40x = 15,738,928,199.28
  5. Step 5: Solve for x
    x = 15,738,928,199.28/177,464.40
  6. Step 6: Final answer
    x = 88,687.81

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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.