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Finding the Fourth Proportional to 102,943.80, 154,342.80 and 46,810.80

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Solution

The fourth proportional to 102,943.80, 154,342.80 and 46,810.80 is: 70,183.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,943.80 : 154,342.80 = 46,810.80 : x
  2. Step 2: Convert to fraction form
    102,943.80/154,342.80 = 46,810.80/x
  3. Step 3: Cross multiply
    102,943.80x = 154,342.80 × 46,810.80
  4. Step 4: Simplify right side
    102,943.80x = 7,224,909,942.24
  5. Step 5: Solve for x
    x = 7,224,909,942.24/102,943.80
  6. Step 6: Final answer
    x = 70,183.05

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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.