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Finding the Fourth Proportional to 182,779.88, 252,234.80 and 102,207.56

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Solution

The fourth proportional to 182,779.88, 252,234.80 and 102,207.56 is: 141,045.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,779.88 : 252,234.80 = 102,207.56 : x
  2. Step 2: Convert to fraction form
    182,779.88/252,234.80 = 102,207.56/x
  3. Step 3: Cross multiply
    182,779.88x = 252,234.80 × 102,207.56
  4. Step 4: Simplify right side
    182,779.88x = 25,780,303,455.09
  5. Step 5: Solve for x
    x = 25,780,303,455.09/182,779.88
  6. Step 6: Final answer
    x = 141,045.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.