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Finding the Fourth Proportional to 222,007.66, 306,364.35 and 121,403.50

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Solution

The fourth proportional to 222,007.66, 306,364.35 and 121,403.50 is: 167,533.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,007.66 : 306,364.35 = 121,403.50 : x
  2. Step 2: Convert to fraction form
    222,007.66/306,364.35 = 121,403.50/x
  3. Step 3: Cross multiply
    222,007.66x = 306,364.35 × 121,403.50
  4. Step 4: Simplify right side
    222,007.66x = 37,193,704,365.23
  5. Step 5: Solve for x
    x = 37,193,704,365.23/222,007.66
  6. Step 6: Final answer
    x = 167,533.43

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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.