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Finding the Fourth Proportional to 141,287.79, 211,889.42 and 46,500.48

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Solution

The fourth proportional to 141,287.79, 211,889.42 and 46,500.48 is: 69,736.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,287.79 : 211,889.42 = 46,500.48 : x
  2. Step 2: Convert to fraction form
    141,287.79/211,889.42 = 46,500.48/x
  3. Step 3: Cross multiply
    141,287.79x = 211,889.42 × 46,500.48
  4. Step 4: Simplify right side
    141,287.79x = 9,852,959,678.80
  5. Step 5: Solve for x
    x = 9,852,959,678.80/141,287.79
  6. Step 6: Final answer
    x = 69,736.81

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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.