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Finding the Fourth Proportional to 222,998.40, 307,740.06 and 121,024.74

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Solution

The fourth proportional to 222,998.40, 307,740.06 and 121,024.74 is: 167,015.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,998.40 : 307,740.06 = 121,024.74 : x
  2. Step 2: Convert to fraction form
    222,998.40/307,740.06 = 121,024.74/x
  3. Step 3: Cross multiply
    222,998.40x = 307,740.06 × 121,024.74
  4. Step 4: Simplify right side
    222,998.40x = 37,244,160,749.08
  5. Step 5: Solve for x
    x = 37,244,160,749.08/222,998.40
  6. Step 6: Final answer
    x = 167,015.37

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1.5x scale

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.