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Finding the Fourth Proportional to 189,703.60, 284,586.27 and 88,602.75

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Solution

The fourth proportional to 189,703.60, 284,586.27 and 88,602.75 is: 132,918.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,703.60 : 284,586.27 = 88,602.75 : x
  2. Step 2: Convert to fraction form
    189,703.60/284,586.27 = 88,602.75/x
  3. Step 3: Cross multiply
    189,703.60x = 284,586.27 × 88,602.75
  4. Step 4: Simplify right side
    189,703.60x = 25,215,126,134.24
  5. Step 5: Solve for x
    x = 25,215,126,134.24/189,703.60
  6. Step 6: Final answer
    x = 132,918.54

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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.