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Finding the Fourth Proportional to 74,637.96, 103,001.70 and 41,103.88

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Solution

The fourth proportional to 74,637.96, 103,001.70 and 41,103.88 is: 56,724.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,637.96 : 103,001.70 = 41,103.88 : x
  2. Step 2: Convert to fraction form
    74,637.96/103,001.70 = 41,103.88/x
  3. Step 3: Cross multiply
    74,637.96x = 103,001.70 × 41,103.88
  4. Step 4: Simplify right side
    74,637.96x = 4,233,769,516.60
  5. Step 5: Solve for x
    x = 4,233,769,516.60/74,637.96
  6. Step 6: Final answer
    x = 56,724.08

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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.