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Finding the Fourth Proportional to 108,873.64, 150,244.50 and 61,125.88

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Solution

The fourth proportional to 108,873.64, 150,244.50 and 61,125.88 is: 84,353.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,873.64 : 150,244.50 = 61,125.88 : x
  2. Step 2: Convert to fraction form
    108,873.64/150,244.50 = 61,125.88/x
  3. Step 3: Cross multiply
    108,873.64x = 150,244.50 × 61,125.88
  4. Step 4: Simplify right side
    108,873.64x = 9,183,827,277.66
  5. Step 5: Solve for x
    x = 9,183,827,277.66/108,873.64
  6. Step 6: Final answer
    x = 84,353.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.