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Finding the Fourth Proportional to 119,329, 178,993.42 and 35,089.86

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Solution

The fourth proportional to 119,329, 178,993.42 and 35,089.86 is: 52,634.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,329 : 178,993.42 = 35,089.86 : x
  2. Step 2: Convert to fraction form
    119,329/178,993.42 = 35,089.86/x
  3. Step 3: Cross multiply
    119,329x = 178,993.42 × 35,089.86
  4. Step 4: Simplify right side
    119,329x = 6,280,854,048.72
  5. Step 5: Solve for x
    x = 6,280,854,048.72/119,329
  6. Step 6: Final answer
    x = 52,634.77

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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.