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Finding the Fourth Proportional to 268,514.84, 402,746.22 and 81,527.96

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Solution

The fourth proportional to 268,514.84, 402,746.22 and 81,527.96 is: 122,284.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,514.84 : 402,746.22 = 81,527.96 : x
  2. Step 2: Convert to fraction form
    268,514.84/402,746.22 = 81,527.96/x
  3. Step 3: Cross multiply
    268,514.84x = 402,746.22 × 81,527.96
  4. Step 4: Simplify right side
    268,514.84x = 32,835,077,714.31
  5. Step 5: Solve for x
    x = 32,835,077,714.31/268,514.84
  6. Step 6: Final answer
    x = 122,284.03

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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.