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Finding the Fourth Proportional to 222,756.70, 334,102.65 and 64,968.70

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Solution

The fourth proportional to 222,756.70, 334,102.65 and 64,968.70 is: 97,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,756.70 : 334,102.65 = 64,968.70 : x
  2. Step 2: Convert to fraction form
    222,756.70/334,102.65 = 64,968.70/x
  3. Step 3: Cross multiply
    222,756.70x = 334,102.65 × 64,968.70
  4. Step 4: Simplify right side
    222,756.70x = 21,706,214,837.06
  5. Step 5: Solve for x
    x = 21,706,214,837.06/222,756.70
  6. Step 6: Final answer
    x = 97,443.60

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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.