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Finding the Fourth Proportional to 74,483.40, 102,769.92 and 46,175.52

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Solution

The fourth proportional to 74,483.40, 102,769.92 and 46,175.52 is: 63,711.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,483.40 : 102,769.92 = 46,175.52 : x
  2. Step 2: Convert to fraction form
    74,483.40/102,769.92 = 46,175.52/x
  3. Step 3: Cross multiply
    74,483.40x = 102,769.92 × 46,175.52
  4. Step 4: Simplify right side
    74,483.40x = 4,745,454,496.36
  5. Step 5: Solve for x
    x = 4,745,454,496.36/74,483.40
  6. Step 6: Final answer
    x = 63,711.57

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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.