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Finding the Fourth Proportional to 53,458.42, 80,200.60 and 16,018.42

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Solution

The fourth proportional to 53,458.42, 80,200.60 and 16,018.42 is: 24,031.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,458.42 : 80,200.60 = 16,018.42 : x
  2. Step 2: Convert to fraction form
    53,458.42/80,200.60 = 16,018.42/x
  3. Step 3: Cross multiply
    53,458.42x = 80,200.60 × 16,018.42
  4. Step 4: Simplify right side
    53,458.42x = 1,284,686,895.05
  5. Step 5: Solve for x
    x = 1,284,686,895.05/53,458.42
  6. Step 6: Final answer
    x = 24,031.52

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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.