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Finding the Fourth Proportional to 171,927.96, 237,271.32 and 99,333.96

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Solution

The fourth proportional to 171,927.96, 237,271.32 and 99,333.96 is: 137,087.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,927.96 : 237,271.32 = 99,333.96 : x
  2. Step 2: Convert to fraction form
    171,927.96/237,271.32 = 99,333.96/x
  3. Step 3: Cross multiply
    171,927.96x = 237,271.32 × 99,333.96
  4. Step 4: Simplify right side
    171,927.96x = 23,569,099,810.03
  5. Step 5: Solve for x
    x = 23,569,099,810.03/171,927.96
  6. Step 6: Final answer
    x = 137,087.07

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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.