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Finding the Fourth Proportional to 74,675.70, 103,047.66 and 44,463.24

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Solution

The fourth proportional to 74,675.70, 103,047.66 and 44,463.24 is: 61,356.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,675.70 : 103,047.66 = 44,463.24 : x
  2. Step 2: Convert to fraction form
    74,675.70/103,047.66 = 44,463.24/x
  3. Step 3: Cross multiply
    74,675.70x = 103,047.66 × 44,463.24
  4. Step 4: Simplify right side
    74,675.70x = 4,581,832,838.02
  5. Step 5: Solve for x
    x = 4,581,832,838.02/74,675.70
  6. Step 6: Final answer
    x = 61,356.41

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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.