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Finding the Fourth Proportional to 95,230, 142,851.60 and 39,826

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Solution

The fourth proportional to 95,230, 142,851.60 and 39,826 is: 59,741.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,230 : 142,851.60 = 39,826 : x
  2. Step 2: Convert to fraction form
    95,230/142,851.60 = 39,826/x
  3. Step 3: Cross multiply
    95,230x = 142,851.60 × 39,826
  4. Step 4: Simplify right side
    95,230x = 5,689,207,821.60
  5. Step 5: Solve for x
    x = 5,689,207,821.60/95,230
  6. Step 6: Final answer
    x = 59,741.76

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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.