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Finding the Fourth Proportional to 104,140, 156,177.60 and 37,571.41

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Solution

The fourth proportional to 104,140, 156,177.60 and 37,571.41 is: 56,345.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,140 : 156,177.60 = 37,571.41 : x
  2. Step 2: Convert to fraction form
    104,140/156,177.60 = 37,571.41/x
  3. Step 3: Cross multiply
    104,140x = 156,177.60 × 37,571.41
  4. Step 4: Simplify right side
    104,140x = 5,867,812,642.42
  5. Step 5: Solve for x
    x = 5,867,812,642.42/104,140
  6. Step 6: Final answer
    x = 56,345.43

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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.