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Finding the Fourth Proportional to 93,602.58, 140,324.89 and 43,656.36

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Solution

The fourth proportional to 93,602.58, 140,324.89 and 43,656.36 is: 65,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,602.58 : 140,324.89 = 43,656.36 : x
  2. Step 2: Convert to fraction form
    93,602.58/140,324.89 = 43,656.36/x
  3. Step 3: Cross multiply
    93,602.58x = 140,324.89 × 43,656.36
  4. Step 4: Simplify right side
    93,602.58x = 6,126,073,914.80
  5. Step 5: Solve for x
    x = 6,126,073,914.80/93,602.58
  6. Step 6: Final answer
    x = 65,447.70

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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.