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Finding the Fourth Proportional to 93,080.64, 139,609.44 and 29,895.84

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Solution

The fourth proportional to 93,080.64, 139,609.44 and 29,895.84 is: 44,840.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,080.64 : 139,609.44 = 29,895.84 : x
  2. Step 2: Convert to fraction form
    93,080.64/139,609.44 = 29,895.84/x
  3. Step 3: Cross multiply
    93,080.64x = 139,609.44 × 29,895.84
  4. Step 4: Simplify right side
    93,080.64x = 4,173,741,480.73
  5. Step 5: Solve for x
    x = 4,173,741,480.73/93,080.64
  6. Step 6: Final answer
    x = 44,840.06

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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.