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Finding the Fourth Proportional to 222,709.60, 334,122.72 and 64,934.56

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Solution

The fourth proportional to 222,709.60, 334,122.72 and 64,934.56 is: 97,418.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,709.60 : 334,122.72 = 64,934.56 : x
  2. Step 2: Convert to fraction form
    222,709.60/334,122.72 = 64,934.56/x
  3. Step 3: Cross multiply
    222,709.60x = 334,122.72 × 64,934.56
  4. Step 4: Simplify right side
    222,709.60x = 21,696,111,809.20
  5. Step 5: Solve for x
    x = 21,696,111,809.20/222,709.60
  6. Step 6: Final answer
    x = 97,418.84

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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.