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Finding the Fourth Proportional to 93,886.89, 140,731.92 and 43,924.88

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Solution

The fourth proportional to 93,886.89, 140,731.92 and 43,924.88 is: 65,841.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,886.89 : 140,731.92 = 43,924.88 : x
  2. Step 2: Convert to fraction form
    93,886.89/140,731.92 = 43,924.88/x
  3. Step 3: Cross multiply
    93,886.89x = 140,731.92 × 43,924.88
  4. Step 4: Simplify right side
    93,886.89x = 6,181,631,994.51
  5. Step 5: Solve for x
    x = 6,181,631,994.51/93,886.89
  6. Step 6: Final answer
    x = 65,841.27

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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.