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Finding the Fourth Proportional to 93,754.30, 129,355.30 and 53,453.36

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Solution

The fourth proportional to 93,754.30, 129,355.30 and 53,453.36 is: 73,751.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,754.30 : 129,355.30 = 53,453.36 : x
  2. Step 2: Convert to fraction form
    93,754.30/129,355.30 = 53,453.36/x
  3. Step 3: Cross multiply
    93,754.30x = 129,355.30 × 53,453.36
  4. Step 4: Simplify right side
    93,754.30x = 6,914,475,418.81
  5. Step 5: Solve for x
    x = 6,914,475,418.81/93,754.30
  6. Step 6: Final answer
    x = 73,751.02

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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.