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Finding the Fourth Proportional to 189,635.35, 284,357.80 and 63,230.85

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Solution

The fourth proportional to 189,635.35, 284,357.80 and 63,230.85 is: 94,814.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,635.35 : 284,357.80 = 63,230.85 : x
  2. Step 2: Convert to fraction form
    189,635.35/284,357.80 = 63,230.85/x
  3. Step 3: Cross multiply
    189,635.35x = 284,357.80 × 63,230.85
  4. Step 4: Simplify right side
    189,635.35x = 17,980,186,010.34
  5. Step 5: Solve for x
    x = 17,980,186,010.34/189,635.35
  6. Step 6: Final answer
    x = 94,814.53

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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.