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Finding the Fourth Proportional to 85,595.10, 118,115.91 and 47,353.74

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Solution

The fourth proportional to 85,595.10, 118,115.91 and 47,353.74 is: 65,345.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,595.10 : 118,115.91 = 47,353.74 : x
  2. Step 2: Convert to fraction form
    85,595.10/118,115.91 = 47,353.74/x
  3. Step 3: Cross multiply
    85,595.10x = 118,115.91 × 47,353.74
  4. Step 4: Simplify right side
    85,595.10x = 5,593,230,092.00
  5. Step 5: Solve for x
    x = 5,593,230,092.00/85,595.10
  6. Step 6: Final answer
    x = 65,345.21

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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.