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Finding the Fourth Proportional to 222,447.94, 333,728.75 and 64,676.40

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Solution

The fourth proportional to 222,447.94, 333,728.75 and 64,676.40 is: 97,031.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,447.94 : 333,728.75 = 64,676.40 : x
  2. Step 2: Convert to fraction form
    222,447.94/333,728.75 = 64,676.40/x
  3. Step 3: Cross multiply
    222,447.94x = 333,728.75 × 64,676.40
  4. Step 4: Simplify right side
    222,447.94x = 21,584,373,036.71
  5. Step 5: Solve for x
    x = 21,584,373,036.71/222,447.94
  6. Step 6: Final answer
    x = 97,031.12

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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.