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Finding the Fourth Proportional to 104,772.56, 144,581.84 and 59,449.60

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Solution

The fourth proportional to 104,772.56, 144,581.84 and 59,449.60 is: 82,038.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,772.56 : 144,581.84 = 59,449.60 : x
  2. Step 2: Convert to fraction form
    104,772.56/144,581.84 = 59,449.60/x
  3. Step 3: Cross multiply
    104,772.56x = 144,581.84 × 59,449.60
  4. Step 4: Simplify right side
    104,772.56x = 8,595,332,182.81
  5. Step 5: Solve for x
    x = 8,595,332,182.81/104,772.56
  6. Step 6: Final answer
    x = 82,038.01

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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.