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Finding the Fourth Proportional to 157,101.40, 235,392.90 and 133,773.40

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Solution

The fourth proportional to 157,101.40, 235,392.90 and 133,773.40 is: 200,439.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,101.40 : 235,392.90 = 133,773.40 : x
  2. Step 2: Convert to fraction form
    157,101.40/235,392.90 = 133,773.40/x
  3. Step 3: Cross multiply
    157,101.40x = 235,392.90 × 133,773.40
  4. Step 4: Simplify right side
    157,101.40x = 31,489,308,568.86
  5. Step 5: Solve for x
    x = 31,489,308,568.86/157,101.40
  6. Step 6: Final answer
    x = 200,439.39

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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.