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Finding the Fourth Proportional to 53,423.70, 73,701.54 and 32,190.90

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Solution

The fourth proportional to 53,423.70, 73,701.54 and 32,190.90 is: 44,409.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,423.70 : 73,701.54 = 32,190.90 : x
  2. Step 2: Convert to fraction form
    53,423.70/73,701.54 = 32,190.90/x
  3. Step 3: Cross multiply
    53,423.70x = 73,701.54 × 32,190.90
  4. Step 4: Simplify right side
    53,423.70x = 2,372,518,903.99
  5. Step 5: Solve for x
    x = 2,372,518,903.99/53,423.70
  6. Step 6: Final answer
    x = 44,409.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.