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Finding the Fourth Proportional to 235,327.36, 352,915.44 and 77,513.44

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Solution

The fourth proportional to 235,327.36, 352,915.44 and 77,513.44 is: 116,245.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,327.36 : 352,915.44 = 77,513.44 : x
  2. Step 2: Convert to fraction form
    235,327.36/352,915.44 = 77,513.44/x
  3. Step 3: Cross multiply
    235,327.36x = 352,915.44 × 77,513.44
  4. Step 4: Simplify right side
    235,327.36x = 27,355,689,783.51
  5. Step 5: Solve for x
    x = 27,355,689,783.51/235,327.36
  6. Step 6: Final answer
    x = 116,245.26

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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.