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Finding the Fourth Proportional to 177,920.36, 266,881.01 and 65,551.89

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Solution

The fourth proportional to 177,920.36, 266,881.01 and 65,551.89 is: 98,328.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,920.36 : 266,881.01 = 65,551.89 : x
  2. Step 2: Convert to fraction form
    177,920.36/266,881.01 = 65,551.89/x
  3. Step 3: Cross multiply
    177,920.36x = 266,881.01 × 65,551.89
  4. Step 4: Simplify right side
    177,920.36x = 17,494,554,282.85
  5. Step 5: Solve for x
    x = 17,494,554,282.85/177,920.36
  6. Step 6: Final answer
    x = 98,328.01

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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.