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Finding the Fourth Proportional to 153,333.60, 230,000.40 and 133,650.60

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Solution

The fourth proportional to 153,333.60, 230,000.40 and 133,650.60 is: 200,475.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,333.60 : 230,000.40 = 133,650.60 : x
  2. Step 2: Convert to fraction form
    153,333.60/230,000.40 = 133,650.60/x
  3. Step 3: Cross multiply
    153,333.60x = 230,000.40 × 133,650.60
  4. Step 4: Simplify right side
    153,333.60x = 30,739,691,460.24
  5. Step 5: Solve for x
    x = 30,739,691,460.24/153,333.60
  6. Step 6: Final answer
    x = 200,475.90

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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.