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Finding the Fourth Proportional to 85,584.79, 118,103.61 and 47,341.90

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Solution

The fourth proportional to 85,584.79, 118,103.61 and 47,341.90 is: 65,329.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,584.79 : 118,103.61 = 47,341.90 : x
  2. Step 2: Convert to fraction form
    85,584.79/118,103.61 = 47,341.90/x
  3. Step 3: Cross multiply
    85,584.79x = 118,103.61 × 47,341.90
  4. Step 4: Simplify right side
    85,584.79x = 5,591,249,294.26
  5. Step 5: Solve for x
    x = 5,591,249,294.26/85,584.79
  6. Step 6: Final answer
    x = 65,329.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.