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Finding the Fourth Proportional to 74,652.95, 103,021.05 and 41,118.95

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Solution

The fourth proportional to 74,652.95, 103,021.05 and 41,118.95 is: 56,744.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,652.95 : 103,021.05 = 41,118.95 : x
  2. Step 2: Convert to fraction form
    74,652.95/103,021.05 = 41,118.95/x
  3. Step 3: Cross multiply
    74,652.95x = 103,021.05 × 41,118.95
  4. Step 4: Simplify right side
    74,652.95x = 4,236,116,888.79
  5. Step 5: Solve for x
    x = 4,236,116,888.79/74,652.95
  6. Step 6: Final answer
    x = 56,744.14

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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.