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Finding the Fourth Proportional to 60,361.36, 83,054.58 and 58,815.88

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Solution

The fourth proportional to 60,361.36, 83,054.58 and 58,815.88 is: 80,928.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,361.36 : 83,054.58 = 58,815.88 : x
  2. Step 2: Convert to fraction form
    60,361.36/83,054.58 = 58,815.88/x
  3. Step 3: Cross multiply
    60,361.36x = 83,054.58 × 58,815.88
  4. Step 4: Simplify right side
    60,361.36x = 4,884,928,210.73
  5. Step 5: Solve for x
    x = 4,884,928,210.73/60,361.36
  6. Step 6: Final answer
    x = 80,928.07

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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.