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Finding the Fourth Proportional to 222,691.20, 334,004.40 and 64,903.20

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Solution

The fourth proportional to 222,691.20, 334,004.40 and 64,903.20 is: 97,345.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,691.20 : 334,004.40 = 64,903.20 : x
  2. Step 2: Convert to fraction form
    222,691.20/334,004.40 = 64,903.20/x
  3. Step 3: Cross multiply
    222,691.20x = 334,004.40 × 64,903.20
  4. Step 4: Simplify right side
    222,691.20x = 21,677,954,374.08
  5. Step 5: Solve for x
    x = 21,677,954,374.08/222,691.20
  6. Step 6: Final answer
    x = 97,345.36

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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.