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Finding the Fourth Proportional to 189,006.60, 283,509.90 and 114,211.20

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Solution

The fourth proportional to 189,006.60, 283,509.90 and 114,211.20 is: 171,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,006.60 : 283,509.90 = 114,211.20 : x
  2. Step 2: Convert to fraction form
    189,006.60/283,509.90 = 114,211.20/x
  3. Step 3: Cross multiply
    189,006.60x = 283,509.90 × 114,211.20
  4. Step 4: Simplify right side
    189,006.60x = 32,380,005,890.88
  5. Step 5: Solve for x
    x = 32,380,005,890.88/189,006.60
  6. Step 6: Final answer
    x = 171,316.80

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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.