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Finding the Fourth Proportional to 172,135.53, 237,569.27 and 96,684.03

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Solution

The fourth proportional to 172,135.53, 237,569.27 and 96,684.03 is: 133,436.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,135.53 : 237,569.27 = 96,684.03 : x
  2. Step 2: Convert to fraction form
    172,135.53/237,569.27 = 96,684.03/x
  3. Step 3: Cross multiply
    172,135.53x = 237,569.27 × 96,684.03
  4. Step 4: Simplify right side
    172,135.53x = 22,969,153,944.34
  5. Step 5: Solve for x
    x = 22,969,153,944.34/172,135.53
  6. Step 6: Final answer
    x = 133,436.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.