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Finding the Fourth Proportional to 58,968.96, 88,437.80 and 40,245.64

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Solution

The fourth proportional to 58,968.96, 88,437.80 and 40,245.64 is: 60,357.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,968.96 : 88,437.80 = 40,245.64 : x
  2. Step 2: Convert to fraction form
    58,968.96/88,437.80 = 40,245.64/x
  3. Step 3: Cross multiply
    58,968.96x = 88,437.80 × 40,245.64
  4. Step 4: Simplify right side
    58,968.96x = 3,559,235,861.19
  5. Step 5: Solve for x
    x = 3,559,235,861.19/58,968.96
  6. Step 6: Final answer
    x = 60,357.79

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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.