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Finding the Fourth Proportional to 134,426, 201,639 and 46,874

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Solution

The fourth proportional to 134,426, 201,639 and 46,874 is: 70,311

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,426 : 201,639 = 46,874 : x
  2. Step 2: Convert to fraction form
    134,426/201,639 = 46,874/x
  3. Step 3: Cross multiply
    134,426x = 201,639 × 46,874
  4. Step 4: Simplify right side
    134,426x = 9,451,626,486
  5. Step 5: Solve for x
    x = 9,451,626,486/134,426
  6. Step 6: Final answer
    x = 70,311

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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.