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Finding the Fourth Proportional to 77,575.98, 116,134.33 and 47,898.39

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Solution

The fourth proportional to 77,575.98, 116,134.33 and 47,898.39 is: 71,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,575.98 : 116,134.33 = 47,898.39 : x
  2. Step 2: Convert to fraction form
    77,575.98/116,134.33 = 47,898.39/x
  3. Step 3: Cross multiply
    77,575.98x = 116,134.33 × 47,898.39
  4. Step 4: Simplify right side
    77,575.98x = 5,562,647,430.73
  5. Step 5: Solve for x
    x = 5,562,647,430.73/77,575.98
  6. Step 6: Final answer
    x = 71,705.80

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1.5x scale

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.