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Finding the Fourth Proportional to 355,990.94, 534,073.89 and 106,672.94

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Solution

The fourth proportional to 355,990.94, 534,073.89 and 106,672.94 is: 160,035.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,990.94 : 534,073.89 = 106,672.94 : x
  2. Step 2: Convert to fraction form
    355,990.94/534,073.89 = 106,672.94/x
  3. Step 3: Cross multiply
    355,990.94x = 534,073.89 × 106,672.94
  4. Step 4: Simplify right side
    355,990.94x = 56,971,232,023.54
  5. Step 5: Solve for x
    x = 56,971,232,023.54/355,990.94
  6. Step 6: Final answer
    x = 160,035.62

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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.