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Finding the Fourth Proportional to 152,714.58, 210,869.94 and 95,420.64

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Solution

The fourth proportional to 152,714.58, 210,869.94 and 95,420.64 is: 131,757.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,714.58 : 210,869.94 = 95,420.64 : x
  2. Step 2: Convert to fraction form
    152,714.58/210,869.94 = 95,420.64/x
  3. Step 3: Cross multiply
    152,714.58x = 210,869.94 × 95,420.64
  4. Step 4: Simplify right side
    152,714.58x = 20,121,344,631.56
  5. Step 5: Solve for x
    x = 20,121,344,631.56/152,714.58
  6. Step 6: Final answer
    x = 131,757.85

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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.