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Finding the Fourth Proportional to 222,012.93, 306,373.26 and 121,410.93

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Solution

The fourth proportional to 222,012.93, 306,373.26 and 121,410.93 is: 167,544.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,012.93 : 306,373.26 = 121,410.93 : x
  2. Step 2: Convert to fraction form
    222,012.93/306,373.26 = 121,410.93/x
  3. Step 3: Cross multiply
    222,012.93x = 306,373.26 × 121,410.93
  4. Step 4: Simplify right side
    222,012.93x = 37,197,062,423.73
  5. Step 5: Solve for x
    x = 37,197,062,423.73/222,012.93
  6. Step 6: Final answer
    x = 167,544.58

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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.