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Finding the Fourth Proportional to 162,714.30, 243,692.37 and 158,229.74

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Solution

The fourth proportional to 162,714.30, 243,692.37 and 158,229.74 is: 236,975.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,714.30 : 243,692.37 = 158,229.74 : x
  2. Step 2: Convert to fraction form
    162,714.30/243,692.37 = 158,229.74/x
  3. Step 3: Cross multiply
    162,714.30x = 243,692.37 × 158,229.74
  4. Step 4: Simplify right side
    162,714.30x = 38,559,380,345.08
  5. Step 5: Solve for x
    x = 38,559,380,345.08/162,714.30
  6. Step 6: Final answer
    x = 236,975.98

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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.