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Finding the Fourth Proportional to 177,903.27, 266,960.17 and 65,661.67

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Solution

The fourth proportional to 177,903.27, 266,960.17 and 65,661.67 is: 98,531.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,903.27 : 266,960.17 = 65,661.67 : x
  2. Step 2: Convert to fraction form
    177,903.27/266,960.17 = 65,661.67/x
  3. Step 3: Cross multiply
    177,903.27x = 266,960.17 × 65,661.67
  4. Step 4: Simplify right side
    177,903.27x = 17,529,051,001.46
  5. Step 5: Solve for x
    x = 17,529,051,001.46/177,903.27
  6. Step 6: Final answer
    x = 98,531.36

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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.