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Finding the Fourth Proportional to 238,101.96, 357,224.22 and 143,435.64

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Solution

The fourth proportional to 238,101.96, 357,224.22 and 143,435.64 is: 215,196.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,101.96 : 357,224.22 = 143,435.64 : x
  2. Step 2: Convert to fraction form
    238,101.96/357,224.22 = 143,435.64/x
  3. Step 3: Cross multiply
    238,101.96x = 357,224.22 × 143,435.64
  4. Step 4: Simplify right side
    238,101.96x = 51,238,684,619.20
  5. Step 5: Solve for x
    x = 51,238,684,619.20/238,101.96
  6. Step 6: Final answer
    x = 215,196.40

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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.