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Finding the Fourth Proportional to 93,529.68, 129,069.09 and 53,242.59

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Solution

The fourth proportional to 93,529.68, 129,069.09 and 53,242.59 is: 73,473.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,529.68 : 129,069.09 = 53,242.59 : x
  2. Step 2: Convert to fraction form
    93,529.68/129,069.09 = 53,242.59/x
  3. Step 3: Cross multiply
    93,529.68x = 129,069.09 × 53,242.59
  4. Step 4: Simplify right side
    93,529.68x = 6,871,972,640.54
  5. Step 5: Solve for x
    x = 6,871,972,640.54/93,529.68
  6. Step 6: Final answer
    x = 73,473.71

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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.