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Finding the Fourth Proportional to 235,397.71, 324,847.48 and 133,442.40

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Solution

The fourth proportional to 235,397.71, 324,847.48 and 133,442.40 is: 184,149.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,397.71 : 324,847.48 = 133,442.40 : x
  2. Step 2: Convert to fraction form
    235,397.71/324,847.48 = 133,442.40/x
  3. Step 3: Cross multiply
    235,397.71x = 324,847.48 × 133,442.40
  4. Step 4: Simplify right side
    235,397.71x = 43,348,427,365.15
  5. Step 5: Solve for x
    x = 43,348,427,365.15/235,397.71
  6. Step 6: Final answer
    x = 184,149.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.