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Finding the Fourth Proportional to 70,553.64, 105,688.29 and 46,874.52

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Solution

The fourth proportional to 70,553.64, 105,688.29 and 46,874.52 is: 70,217.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,553.64 : 105,688.29 = 46,874.52 : x
  2. Step 2: Convert to fraction form
    70,553.64/105,688.29 = 46,874.52/x
  3. Step 3: Cross multiply
    70,553.64x = 105,688.29 × 46,874.52
  4. Step 4: Simplify right side
    70,553.64x = 4,954,087,863.37
  5. Step 5: Solve for x
    x = 4,954,087,863.37/70,553.64
  6. Step 6: Final answer
    x = 70,217.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.