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Finding the Fourth Proportional to 64,988.70, 97,293.51 and 58,235.73

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Solution

The fourth proportional to 64,988.70, 97,293.51 and 58,235.73 is: 87,183.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,988.70 : 97,293.51 = 58,235.73 : x
  2. Step 2: Convert to fraction form
    64,988.70/97,293.51 = 58,235.73/x
  3. Step 3: Cross multiply
    64,988.70x = 97,293.51 × 58,235.73
  4. Step 4: Simplify right side
    64,988.70x = 5,665,958,579.11
  5. Step 5: Solve for x
    x = 5,665,958,579.11/64,988.70
  6. Step 6: Final answer
    x = 87,183.75

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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.