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Finding the Fourth Proportional to 156,328.74, 234,491.05 and 37,999.74

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Solution

The fourth proportional to 156,328.74, 234,491.05 and 37,999.74 is: 56,999.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,328.74 : 234,491.05 = 37,999.74 : x
  2. Step 2: Convert to fraction form
    156,328.74/234,491.05 = 37,999.74/x
  3. Step 3: Cross multiply
    156,328.74x = 234,491.05 × 37,999.74
  4. Step 4: Simplify right side
    156,328.74x = 8,910,598,932.33
  5. Step 5: Solve for x
    x = 8,910,598,932.33/156,328.74
  6. Step 6: Final answer
    x = 56,999.11

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1.5x scale

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.