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Finding the Fourth Proportional to 141,075.70, 211,612.81 and 49,958.71

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Solution

The fourth proportional to 141,075.70, 211,612.81 and 49,958.71 is: 74,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,075.70 : 211,612.81 = 49,958.71 : x
  2. Step 2: Convert to fraction form
    141,075.70/211,612.81 = 49,958.71/x
  3. Step 3: Cross multiply
    141,075.70x = 211,612.81 × 49,958.71
  4. Step 4: Simplify right side
    141,075.70x = 10,571,903,007.08
  5. Step 5: Solve for x
    x = 10,571,903,007.08/141,075.70
  6. Step 6: Final answer
    x = 74,937.80

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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.