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Finding the Fourth Proportional to 59,303.80, 89,004.30 and 57,359.80

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Solution

The fourth proportional to 59,303.80, 89,004.30 and 57,359.80 is: 86,086.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,303.80 : 89,004.30 = 57,359.80 : x
  2. Step 2: Convert to fraction form
    59,303.80/89,004.30 = 57,359.80/x
  3. Step 3: Cross multiply
    59,303.80x = 89,004.30 × 57,359.80
  4. Step 4: Simplify right side
    59,303.80x = 5,105,268,847.14
  5. Step 5: Solve for x
    x = 5,105,268,847.14/59,303.80
  6. Step 6: Final answer
    x = 86,086.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.