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Finding the Fourth Proportional to 141,075.95, 211,613.19 and 49,958.96

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Solution

The fourth proportional to 141,075.95, 211,613.19 and 49,958.96 is: 74,938.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,075.95 : 211,613.19 = 49,958.96 : x
  2. Step 2: Convert to fraction form
    141,075.95/211,613.19 = 49,958.96/x
  3. Step 3: Cross multiply
    141,075.95x = 211,613.19 × 49,958.96
  4. Step 4: Simplify right side
    141,075.95x = 10,571,973,836.62
  5. Step 5: Solve for x
    x = 10,571,973,836.62/141,075.95
  6. Step 6: Final answer
    x = 74,938.17

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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.