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Finding the Fourth Proportional to 101,925.99, 152,819.24 and 51,909.30

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Solution

The fourth proportional to 101,925.99, 152,819.24 and 51,909.30 is: 77,828.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,925.99 : 152,819.24 = 51,909.30 : x
  2. Step 2: Convert to fraction form
    101,925.99/152,819.24 = 51,909.30/x
  3. Step 3: Cross multiply
    101,925.99x = 152,819.24 × 51,909.30
  4. Step 4: Simplify right side
    101,925.99x = 7,932,739,515.39
  5. Step 5: Solve for x
    x = 7,932,739,515.39/101,925.99
  6. Step 6: Final answer
    x = 77,828.43

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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.