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Finding the Fourth Proportional to 114,670.56, 172,016.70 and 44,555.28

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Solution

The fourth proportional to 114,670.56, 172,016.70 and 44,555.28 is: 66,837.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,670.56 : 172,016.70 = 44,555.28 : x
  2. Step 2: Convert to fraction form
    114,670.56/172,016.70 = 44,555.28/x
  3. Step 3: Cross multiply
    114,670.56x = 172,016.70 × 44,555.28
  4. Step 4: Simplify right side
    114,670.56x = 7,664,252,233.18
  5. Step 5: Solve for x
    x = 7,664,252,233.18/114,670.56
  6. Step 6: Final answer
    x = 66,837.14

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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.