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Finding the Fourth Proportional to 222,197.64, 333,322.44 and 78,059.22

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Solution

The fourth proportional to 222,197.64, 333,322.44 and 78,059.22 is: 117,097.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,197.64 : 333,322.44 = 78,059.22 : x
  2. Step 2: Convert to fraction form
    222,197.64/333,322.44 = 78,059.22/x
  3. Step 3: Cross multiply
    222,197.64x = 333,322.44 × 78,059.22
  4. Step 4: Simplify right side
    222,197.64x = 26,018,889,674.90
  5. Step 5: Solve for x
    x = 26,018,889,674.90/222,197.64
  6. Step 6: Final answer
    x = 117,097.96

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1.5x scale

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.