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Finding the Fourth Proportional to 93,293.46, 129,114.99 and 91,054.89

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Solution

The fourth proportional to 93,293.46, 129,114.99 and 91,054.89 is: 126,016.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,293.46 : 129,114.99 = 91,054.89 : x
  2. Step 2: Convert to fraction form
    93,293.46/129,114.99 = 91,054.89/x
  3. Step 3: Cross multiply
    93,293.46x = 129,114.99 × 91,054.89
  4. Step 4: Simplify right side
    93,293.46x = 11,756,551,211.80
  5. Step 5: Solve for x
    x = 11,756,551,211.80/93,293.46
  6. Step 6: Final answer
    x = 126,016.88

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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.