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Finding the Fourth Proportional to 61,368.96, 84,571.20 and 43,674.24

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Solution

The fourth proportional to 61,368.96, 84,571.20 and 43,674.24 is: 60,186.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,368.96 : 84,571.20 = 43,674.24 : x
  2. Step 2: Convert to fraction form
    61,368.96/84,571.20 = 43,674.24/x
  3. Step 3: Cross multiply
    61,368.96x = 84,571.20 × 43,674.24
  4. Step 4: Simplify right side
    61,368.96x = 3,693,582,885.89
  5. Step 5: Solve for x
    x = 3,693,582,885.89/61,368.96
  6. Step 6: Final answer
    x = 60,186.50

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Why These Related Problems?

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