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Finding the Fourth Proportional to 74,567.96, 111,642.68 and 55,934.72

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Solution

The fourth proportional to 74,567.96, 111,642.68 and 55,934.72 is: 83,745.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,567.96 : 111,642.68 = 55,934.72 : x
  2. Step 2: Convert to fraction form
    74,567.96/111,642.68 = 55,934.72/x
  3. Step 3: Cross multiply
    74,567.96x = 111,642.68 × 55,934.72
  4. Step 4: Simplify right side
    74,567.96x = 6,244,702,045.85
  5. Step 5: Solve for x
    x = 6,244,702,045.85/74,567.96
  6. Step 6: Final answer
    x = 83,745.11

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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.