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Finding the Fourth Proportional to 181,765, 272,672.34 and 63,418.96

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Solution

The fourth proportional to 181,765, 272,672.34 and 63,418.96 is: 95,137.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,765 : 272,672.34 = 63,418.96 : x
  2. Step 2: Convert to fraction form
    181,765/272,672.34 = 63,418.96/x
  3. Step 3: Cross multiply
    181,765x = 272,672.34 × 63,418.96
  4. Step 4: Simplify right side
    181,765x = 17,292,596,223.57
  5. Step 5: Solve for x
    x = 17,292,596,223.57/181,765
  6. Step 6: Final answer
    x = 95,137.11

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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.