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Finding the Fourth Proportional to 283,555.88, 425,333.84 and 83,860.72

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Solution

The fourth proportional to 283,555.88, 425,333.84 and 83,860.72 is: 125,791.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,555.88 : 425,333.84 = 83,860.72 : x
  2. Step 2: Convert to fraction form
    283,555.88/425,333.84 = 83,860.72/x
  3. Step 3: Cross multiply
    283,555.88x = 425,333.84 × 83,860.72
  4. Step 4: Simplify right side
    283,555.88x = 35,668,802,062.76
  5. Step 5: Solve for x
    x = 35,668,802,062.76/283,555.88
  6. Step 6: Final answer
    x = 125,791.09

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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.