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Finding the Fourth Proportional to 121,047.50, 181,600.41 and 37,941.50

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Solution

The fourth proportional to 121,047.50, 181,600.41 and 37,941.50 is: 56,921.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,047.50 : 181,600.41 = 37,941.50 : x
  2. Step 2: Convert to fraction form
    121,047.50/181,600.41 = 37,941.50/x
  3. Step 3: Cross multiply
    121,047.50x = 181,600.41 × 37,941.50
  4. Step 4: Simplify right side
    121,047.50x = 6,890,191,956.02
  5. Step 5: Solve for x
    x = 6,890,191,956.02/121,047.50
  6. Step 6: Final answer
    x = 56,921.39

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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.