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Finding the Fourth Proportional to 104,857.92, 144,663.30 and 69,065.64

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Solution

The fourth proportional to 104,857.92, 144,663.30 and 69,065.64 is: 95,283.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,857.92 : 144,663.30 = 69,065.64 : x
  2. Step 2: Convert to fraction form
    104,857.92/144,663.30 = 69,065.64/x
  3. Step 3: Cross multiply
    104,857.92x = 144,663.30 × 69,065.64
  4. Step 4: Simplify right side
    104,857.92x = 9,991,263,399.01
  5. Step 5: Solve for x
    x = 9,991,263,399.01/104,857.92
  6. Step 6: Final answer
    x = 95,283.82

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1.5x scale

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.