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Finding the Fourth Proportional to 161,019.28, 222,213 and 93,034

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Solution

The fourth proportional to 161,019.28, 222,213 and 93,034 is: 128,390.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,019.28 : 222,213 = 93,034 : x
  2. Step 2: Convert to fraction form
    161,019.28/222,213 = 93,034/x
  3. Step 3: Cross multiply
    161,019.28x = 222,213 × 93,034
  4. Step 4: Simplify right side
    161,019.28x = 20,673,364,242
  5. Step 5: Solve for x
    x = 20,673,364,242/161,019.28
  6. Step 6: Final answer
    x = 128,390.61

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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.