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Finding the Fourth Proportional to 59,952.80, 89,871.60 and 46,618.40

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Solution

The fourth proportional to 59,952.80, 89,871.60 and 46,618.40 is: 69,882.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,952.80 : 89,871.60 = 46,618.40 : x
  2. Step 2: Convert to fraction form
    59,952.80/89,871.60 = 46,618.40/x
  3. Step 3: Cross multiply
    59,952.80x = 89,871.60 × 46,618.40
  4. Step 4: Simplify right side
    59,952.80x = 4,189,670,197.44
  5. Step 5: Solve for x
    x = 4,189,670,197.44/59,952.80
  6. Step 6: Final answer
    x = 69,882.81

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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.