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Finding the Fourth Proportional to 194,000.80, 291,087.60 and 88,765.60

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Solution

The fourth proportional to 194,000.80, 291,087.60 and 88,765.60 is: 133,187.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,000.80 : 291,087.60 = 88,765.60 : x
  2. Step 2: Convert to fraction form
    194,000.80/291,087.60 = 88,765.60/x
  3. Step 3: Cross multiply
    194,000.80x = 291,087.60 × 88,765.60
  4. Step 4: Simplify right side
    194,000.80x = 25,838,565,466.56
  5. Step 5: Solve for x
    x = 25,838,565,466.56/194,000.80
  6. Step 6: Final answer
    x = 133,187.93

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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.