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Finding the Fourth Proportional to 68,567.67, 102,792.03 and 30,588.39

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Solution

The fourth proportional to 68,567.67, 102,792.03 and 30,588.39 is: 45,856.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,567.67 : 102,792.03 = 30,588.39 : x
  2. Step 2: Convert to fraction form
    68,567.67/102,792.03 = 30,588.39/x
  3. Step 3: Cross multiply
    68,567.67x = 102,792.03 × 30,588.39
  4. Step 4: Simplify right side
    68,567.67x = 3,144,242,702.53
  5. Step 5: Solve for x
    x = 3,144,242,702.53/68,567.67
  6. Step 6: Final answer
    x = 45,856.05

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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.