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Finding the Fourth Proportional to 177,472.76, 266,053.62 and 66,742.52

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Solution

The fourth proportional to 177,472.76, 266,053.62 and 66,742.52 is: 100,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,472.76 : 266,053.62 = 66,742.52 : x
  2. Step 2: Convert to fraction form
    177,472.76/266,053.62 = 66,742.52/x
  3. Step 3: Cross multiply
    177,472.76x = 266,053.62 × 66,742.52
  4. Step 4: Simplify right side
    177,472.76x = 17,757,089,053.92
  5. Step 5: Solve for x
    x = 17,757,089,053.92/177,472.76
  6. Step 6: Final answer
    x = 100,055.29

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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.