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Finding the Fourth Proportional to 189,250.60, 283,530.30 and 153,999.40

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Solution

The fourth proportional to 189,250.60, 283,530.30 and 153,999.40 is: 230,717.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,250.60 : 283,530.30 = 153,999.40 : x
  2. Step 2: Convert to fraction form
    189,250.60/283,530.30 = 153,999.40/x
  3. Step 3: Cross multiply
    189,250.60x = 283,530.30 × 153,999.40
  4. Step 4: Simplify right side
    189,250.60x = 43,663,496,081.82
  5. Step 5: Solve for x
    x = 43,663,496,081.82/189,250.60
  6. Step 6: Final answer
    x = 230,717.87

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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.