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Finding the Fourth Proportional to 73,012.76, 109,694.10 and 46,768.76

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Solution

The fourth proportional to 73,012.76, 109,694.10 and 46,768.76 is: 70,265.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,012.76 : 109,694.10 = 46,768.76 : x
  2. Step 2: Convert to fraction form
    73,012.76/109,694.10 = 46,768.76/x
  3. Step 3: Cross multiply
    73,012.76x = 109,694.10 × 46,768.76
  4. Step 4: Simplify right side
    73,012.76x = 5,130,256,802.47
  5. Step 5: Solve for x
    x = 5,130,256,802.47/73,012.76
  6. Step 6: Final answer
    x = 70,265.21

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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.