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Finding the Fourth Proportional to 93,302.46, 129,127.41 and 91,063.89

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Solution

The fourth proportional to 93,302.46, 129,127.41 and 91,063.89 is: 126,029.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,302.46 : 129,127.41 = 91,063.89 : x
  2. Step 2: Convert to fraction form
    93,302.46/129,127.41 = 91,063.89/x
  3. Step 3: Cross multiply
    93,302.46x = 129,127.41 × 91,063.89
  4. Step 4: Simplify right side
    93,302.46x = 11,758,844,260.22
  5. Step 5: Solve for x
    x = 11,758,844,260.22/93,302.46
  6. Step 6: Final answer
    x = 126,029.31

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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.