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Finding the Fourth Proportional to 93,790.67, 140,698.35 and 30,588.59

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Solution

The fourth proportional to 93,790.67, 140,698.35 and 30,588.59 is: 45,886.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,790.67 : 140,698.35 = 30,588.59 : x
  2. Step 2: Convert to fraction form
    93,790.67/140,698.35 = 30,588.59/x
  3. Step 3: Cross multiply
    93,790.67x = 140,698.35 × 30,588.59
  4. Step 4: Simplify right side
    93,790.67x = 4,303,764,493.57
  5. Step 5: Solve for x
    x = 4,303,764,493.57/93,790.67
  6. Step 6: Final answer
    x = 45,886.92

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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.