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Finding the Fourth Proportional to 316,714.86, 475,072.65 and 95,098.86

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Solution

The fourth proportional to 316,714.86, 475,072.65 and 95,098.86 is: 142,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,714.86 : 475,072.65 = 95,098.86 : x
  2. Step 2: Convert to fraction form
    316,714.86/475,072.65 = 95,098.86/x
  3. Step 3: Cross multiply
    316,714.86x = 475,072.65 × 95,098.86
  4. Step 4: Simplify right side
    316,714.86x = 45,178,867,432.18
  5. Step 5: Solve for x
    x = 45,178,867,432.18/316,714.86
  6. Step 6: Final answer
    x = 142,648.40

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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.