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Finding the Fourth Proportional to 108,873.64, 163,283.05 and 38,736.55

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Solution

The fourth proportional to 108,873.64, 163,283.05 and 38,736.55 is: 58,095.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,873.64 : 163,283.05 = 38,736.55 : x
  2. Step 2: Convert to fraction form
    108,873.64/163,283.05 = 38,736.55/x
  3. Step 3: Cross multiply
    108,873.64x = 163,283.05 × 38,736.55
  4. Step 4: Simplify right side
    108,873.64x = 6,325,022,030.48
  5. Step 5: Solve for x
    x = 6,325,022,030.48/108,873.64
  6. Step 6: Final answer
    x = 58,095.07

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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.