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Finding the Fourth Proportional to 70,823.48, 97,817.32 and 48,124.56

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Solution

The fourth proportional to 70,823.48, 97,817.32 and 48,124.56 is: 66,466.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,823.48 : 97,817.32 = 48,124.56 : x
  2. Step 2: Convert to fraction form
    70,823.48/97,817.32 = 48,124.56/x
  3. Step 3: Cross multiply
    70,823.48x = 97,817.32 × 48,124.56
  4. Step 4: Simplify right side
    70,823.48x = 4,707,415,485.38
  5. Step 5: Solve for x
    x = 4,707,415,485.38/70,823.48
  6. Step 6: Final answer
    x = 66,466.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.