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Finding the Fourth Proportional to 126,122.49, 174,047.87 and 69,533.87

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Solution

The fourth proportional to 126,122.49, 174,047.87 and 69,533.87 is: 95,956.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,122.49 : 174,047.87 = 69,533.87 : x
  2. Step 2: Convert to fraction form
    126,122.49/174,047.87 = 69,533.87/x
  3. Step 3: Cross multiply
    126,122.49x = 174,047.87 × 69,533.87
  4. Step 4: Simplify right side
    126,122.49x = 12,102,220,748.45
  5. Step 5: Solve for x
    x = 12,102,220,748.45/126,122.49
  6. Step 6: Final answer
    x = 95,956.09

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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.