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Finding the Fourth Proportional to 93,431.63, 140,147.47 and 23,310.94

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Solution

The fourth proportional to 93,431.63, 140,147.47 and 23,310.94 is: 34,966.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,431.63 : 140,147.47 = 23,310.94 : x
  2. Step 2: Convert to fraction form
    93,431.63/140,147.47 = 23,310.94/x
  3. Step 3: Cross multiply
    93,431.63x = 140,147.47 × 23,310.94
  4. Step 4: Simplify right side
    93,431.63x = 3,266,969,074.74
  5. Step 5: Solve for x
    x = 3,266,969,074.74/93,431.63
  6. Step 6: Final answer
    x = 34,966.42

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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.