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Finding the Fourth Proportional to 76,422.30, 114,633.45 and 32,034.30

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Solution

The fourth proportional to 76,422.30, 114,633.45 and 32,034.30 is: 48,051.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,422.30 : 114,633.45 = 32,034.30 : x
  2. Step 2: Convert to fraction form
    76,422.30/114,633.45 = 32,034.30/x
  3. Step 3: Cross multiply
    76,422.30x = 114,633.45 × 32,034.30
  4. Step 4: Simplify right side
    76,422.30x = 3,672,202,327.34
  5. Step 5: Solve for x
    x = 3,672,202,327.34/76,422.30
  6. Step 6: Final answer
    x = 48,051.45

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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.