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Finding the Fourth Proportional to 156,236.60, 234,354.53 and 37,907.84

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Solution

The fourth proportional to 156,236.60, 234,354.53 and 37,907.84 is: 56,861.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,236.60 : 234,354.53 = 37,907.84 : x
  2. Step 2: Convert to fraction form
    156,236.60/234,354.53 = 37,907.84/x
  3. Step 3: Cross multiply
    156,236.60x = 234,354.53 × 37,907.84
  4. Step 4: Simplify right side
    156,236.60x = 8,883,872,949.51
  5. Step 5: Solve for x
    x = 8,883,872,949.51/156,236.60
  6. Step 6: Final answer
    x = 56,861.67

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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.