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Finding the Fourth Proportional to 79,193.16, 118,624.32 and 47,502.72

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Solution

The fourth proportional to 79,193.16, 118,624.32 and 47,502.72 is: 71,154.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,193.16 : 118,624.32 = 47,502.72 : x
  2. Step 2: Convert to fraction form
    79,193.16/118,624.32 = 47,502.72/x
  3. Step 3: Cross multiply
    79,193.16x = 118,624.32 × 47,502.72
  4. Step 4: Simplify right side
    79,193.16x = 5,634,977,858.15
  5. Step 5: Solve for x
    x = 5,634,977,858.15/79,193.16
  6. Step 6: Final answer
    x = 71,154.86

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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.