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Finding the Fourth Proportional to 175,495.20, 262,474.80 and 156,909.60

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Solution

The fourth proportional to 175,495.20, 262,474.80 and 156,909.60 is: 234,677.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,495.20 : 262,474.80 = 156,909.60 : x
  2. Step 2: Convert to fraction form
    175,495.20/262,474.80 = 156,909.60/x
  3. Step 3: Cross multiply
    175,495.20x = 262,474.80 × 156,909.60
  4. Step 4: Simplify right side
    175,495.20x = 41,184,815,878.08
  5. Step 5: Solve for x
    x = 41,184,815,878.08/175,495.20
  6. Step 6: Final answer
    x = 234,677.73

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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.