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Finding the Fourth Proportional to 222,784.11, 334,179.81 and 65,011.50

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Solution

The fourth proportional to 222,784.11, 334,179.81 and 65,011.50 is: 97,518.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,784.11 : 334,179.81 = 65,011.50 : x
  2. Step 2: Convert to fraction form
    222,784.11/334,179.81 = 65,011.50/x
  3. Step 3: Cross multiply
    222,784.11x = 334,179.81 × 65,011.50
  4. Step 4: Simplify right side
    222,784.11x = 21,725,530,717.82
  5. Step 5: Solve for x
    x = 21,725,530,717.82/222,784.11
  6. Step 6: Final answer
    x = 97,518.31

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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.