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Finding the Fourth Proportional to 93,689.10, 140,485.05 and 34,494.30

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Solution

The fourth proportional to 93,689.10, 140,485.05 and 34,494.30 is: 51,723.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,689.10 : 140,485.05 = 34,494.30 : x
  2. Step 2: Convert to fraction form
    93,689.10/140,485.05 = 34,494.30/x
  3. Step 3: Cross multiply
    93,689.10x = 140,485.05 × 34,494.30
  4. Step 4: Simplify right side
    93,689.10x = 4,845,933,460.22
  5. Step 5: Solve for x
    x = 4,845,933,460.22/93,689.10
  6. Step 6: Final answer
    x = 51,723.56

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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.