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Finding the Fourth Proportional to 63,078.66, 94,488.66 and 50,530.68

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Solution

The fourth proportional to 63,078.66, 94,488.66 and 50,530.68 is: 75,692.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,078.66 : 94,488.66 = 50,530.68 : x
  2. Step 2: Convert to fraction form
    63,078.66/94,488.66 = 50,530.68/x
  3. Step 3: Cross multiply
    63,078.66x = 94,488.66 × 50,530.68
  4. Step 4: Simplify right side
    63,078.66x = 4,774,576,242.09
  5. Step 5: Solve for x
    x = 4,774,576,242.09/63,078.66
  6. Step 6: Final answer
    x = 75,692.42

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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.