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Finding the Fourth Proportional to 128,323.98, 192,486.06 and 34,829.73

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Solution

The fourth proportional to 128,323.98, 192,486.06 and 34,829.73 is: 52,244.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,323.98 : 192,486.06 = 34,829.73 : x
  2. Step 2: Convert to fraction form
    128,323.98/192,486.06 = 34,829.73/x
  3. Step 3: Cross multiply
    128,323.98x = 192,486.06 × 34,829.73
  4. Step 4: Simplify right side
    128,323.98x = 6,704,237,498.56
  5. Step 5: Solve for x
    x = 6,704,237,498.56/128,323.98
  6. Step 6: Final answer
    x = 52,244.62

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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.