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Finding the Fourth Proportional to 70,715.65, 97,563.31 and 43,848.49

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Solution

The fourth proportional to 70,715.65, 97,563.31 and 43,848.49 is: 60,495.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,715.65 : 97,563.31 = 43,848.49 : x
  2. Step 2: Convert to fraction form
    70,715.65/97,563.31 = 43,848.49/x
  3. Step 3: Cross multiply
    70,715.65x = 97,563.31 × 43,848.49
  4. Step 4: Simplify right side
    70,715.65x = 4,278,003,822.90
  5. Step 5: Solve for x
    x = 4,278,003,822.90/70,715.65
  6. Step 6: Final answer
    x = 60,495.86

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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.