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Finding the Fourth Proportional to 133,464.60, 200,427.30 and 71,256.60

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Solution

The fourth proportional to 133,464.60, 200,427.30 and 71,256.60 is: 107,007.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,464.60 : 200,427.30 = 71,256.60 : x
  2. Step 2: Convert to fraction form
    133,464.60/200,427.30 = 71,256.60/x
  3. Step 3: Cross multiply
    133,464.60x = 200,427.30 × 71,256.60
  4. Step 4: Simplify right side
    133,464.60x = 14,281,767,945.18
  5. Step 5: Solve for x
    x = 14,281,767,945.18/133,464.60
  6. Step 6: Final answer
    x = 107,007.91

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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.