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Finding the Fourth Proportional to 74,371.95, 102,580.74 and 44,133.03

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Solution

The fourth proportional to 74,371.95, 102,580.74 and 44,133.03 is: 60,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,371.95 : 102,580.74 = 44,133.03 : x
  2. Step 2: Convert to fraction form
    74,371.95/102,580.74 = 44,133.03/x
  3. Step 3: Cross multiply
    74,371.95x = 102,580.74 × 44,133.03
  4. Step 4: Simplify right side
    74,371.95x = 4,527,198,875.84
  5. Step 5: Solve for x
    x = 4,527,198,875.84/74,371.95
  6. Step 6: Final answer
    x = 60,872.40

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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.