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Finding the Fourth Proportional to 189,000.60, 283,500.90 and 153,571.20

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Solution

The fourth proportional to 189,000.60, 283,500.90 and 153,571.20 is: 230,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,000.60 : 283,500.90 = 153,571.20 : x
  2. Step 2: Convert to fraction form
    189,000.60/283,500.90 = 153,571.20/x
  3. Step 3: Cross multiply
    189,000.60x = 283,500.90 × 153,571.20
  4. Step 4: Simplify right side
    189,000.60x = 43,537,573,414.08
  5. Step 5: Solve for x
    x = 43,537,573,414.08/189,000.60
  6. Step 6: Final answer
    x = 230,356.80

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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.