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Finding the Fourth Proportional to 222,858.53, 334,386.17 and 89,998.28

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Solution

The fourth proportional to 222,858.53, 334,386.17 and 89,998.28 is: 135,037.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,858.53 : 334,386.17 = 89,998.28 : x
  2. Step 2: Convert to fraction form
    222,858.53/334,386.17 = 89,998.28/x
  3. Step 3: Cross multiply
    222,858.53x = 334,386.17 × 89,998.28
  4. Step 4: Simplify right side
    222,858.53x = 30,094,180,155.79
  5. Step 5: Solve for x
    x = 30,094,180,155.79/222,858.53
  6. Step 6: Final answer
    x = 135,037.15

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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.