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Finding the Fourth Proportional to 96,765.64, 145,157.64 and 37,605.88

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Solution

The fourth proportional to 96,765.64, 145,157.64 and 37,605.88 is: 56,412.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,765.64 : 145,157.64 = 37,605.88 : x
  2. Step 2: Convert to fraction form
    96,765.64/145,157.64 = 37,605.88/x
  3. Step 3: Cross multiply
    96,765.64x = 145,157.64 × 37,605.88
  4. Step 4: Simplify right side
    96,765.64x = 5,458,780,790.92
  5. Step 5: Solve for x
    x = 5,458,780,790.92/96,765.64
  6. Step 6: Final answer
    x = 56,412.39

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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.