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Finding the Fourth Proportional to 177,957.48, 266,810.22 and 89,147.64

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Solution

The fourth proportional to 177,957.48, 266,810.22 and 89,147.64 is: 133,658.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,957.48 : 266,810.22 = 89,147.64 : x
  2. Step 2: Convert to fraction form
    177,957.48/266,810.22 = 89,147.64/x
  3. Step 3: Cross multiply
    177,957.48x = 266,810.22 × 89,147.64
  4. Step 4: Simplify right side
    177,957.48x = 23,785,501,440.88
  5. Step 5: Solve for x
    x = 23,785,501,440.88/177,957.48
  6. Step 6: Final answer
    x = 133,658.34

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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.