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Finding the Fourth Proportional to 107,529, 148,383 and 59,780.58

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Solution

The fourth proportional to 107,529, 148,383 and 59,780.58 is: 82,493.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,529 : 148,383 = 59,780.58 : x
  2. Step 2: Convert to fraction form
    107,529/148,383 = 59,780.58/x
  3. Step 3: Cross multiply
    107,529x = 148,383 × 59,780.58
  4. Step 4: Simplify right side
    107,529x = 8,870,421,802.14
  5. Step 5: Solve for x
    x = 8,870,421,802.14/107,529
  6. Step 6: Final answer
    x = 82,493.30

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1.5x scale

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.