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Finding the Fourth Proportional to 182,903.72, 252,416.92 and 102,326.42

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Solution

The fourth proportional to 182,903.72, 252,416.92 and 102,326.42 is: 141,215.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,903.72 : 252,416.92 = 102,326.42 : x
  2. Step 2: Convert to fraction form
    182,903.72/252,416.92 = 102,326.42/x
  3. Step 3: Cross multiply
    182,903.72x = 252,416.92 × 102,326.42
  4. Step 4: Simplify right side
    182,903.72x = 25,828,919,771.03
  5. Step 5: Solve for x
    x = 25,828,919,771.03/182,903.72
  6. Step 6: Final answer
    x = 141,215.93

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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.