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Finding the Fourth Proportional to 235,877.78, 325,508.12 and 133,902.35

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Solution

The fourth proportional to 235,877.78, 325,508.12 and 133,902.35 is: 184,783.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,877.78 : 325,508.12 = 133,902.35 : x
  2. Step 2: Convert to fraction form
    235,877.78/325,508.12 = 133,902.35/x
  3. Step 3: Cross multiply
    235,877.78x = 325,508.12 × 133,902.35
  4. Step 4: Simplify right side
    235,877.78x = 43,586,299,915.03
  5. Step 5: Solve for x
    x = 43,586,299,915.03/235,877.78
  6. Step 6: Final answer
    x = 184,783.41

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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.