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Finding the Fourth Proportional to 200,860.59, 301,290.80 and 76,201.59

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Solution

The fourth proportional to 200,860.59, 301,290.80 and 76,201.59 is: 114,302.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,860.59 : 301,290.80 = 76,201.59 : x
  2. Step 2: Convert to fraction form
    200,860.59/301,290.80 = 76,201.59/x
  3. Step 3: Cross multiply
    200,860.59x = 301,290.80 × 76,201.59
  4. Step 4: Simplify right side
    200,860.59x = 22,958,837,631.36
  5. Step 5: Solve for x
    x = 22,958,837,631.36/200,860.59
  6. Step 6: Final answer
    x = 114,302.35

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1.5x scale

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.