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Finding the Fourth Proportional to 156,187.92, 234,281.86 and 37,859.26

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Solution

The fourth proportional to 156,187.92, 234,281.86 and 37,859.26 is: 56,788.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,187.92 : 234,281.86 = 37,859.26 : x
  2. Step 2: Convert to fraction form
    156,187.92/234,281.86 = 37,859.26/x
  3. Step 3: Cross multiply
    156,187.92x = 234,281.86 × 37,859.26
  4. Step 4: Simplify right side
    156,187.92x = 8,869,737,851.02
  5. Step 5: Solve for x
    x = 8,869,737,851.02/156,187.92
  6. Step 6: Final answer
    x = 56,788.89

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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.