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Finding the Fourth Proportional to 222,213.74, 333,353.39 and 64,421.69

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Solution

The fourth proportional to 222,213.74, 333,353.39 and 64,421.69 is: 96,642.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,213.74 : 333,353.39 = 64,421.69 : x
  2. Step 2: Convert to fraction form
    222,213.74/333,353.39 = 64,421.69/x
  3. Step 3: Cross multiply
    222,213.74x = 333,353.39 × 64,421.69
  4. Step 4: Simplify right side
    222,213.74x = 21,475,186,762.15
  5. Step 5: Solve for x
    x = 21,475,186,762.15/222,213.74
  6. Step 6: Final answer
    x = 96,642.03

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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.