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Finding the Fourth Proportional to 113,592, 170,409.87 and 51,262.50

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Solution

The fourth proportional to 113,592, 170,409.87 and 51,262.50 is: 76,903.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,592 : 170,409.87 = 51,262.50 : x
  2. Step 2: Convert to fraction form
    113,592/170,409.87 = 51,262.50/x
  3. Step 3: Cross multiply
    113,592x = 170,409.87 × 51,262.50
  4. Step 4: Simplify right side
    113,592x = 8,735,635,960.88
  5. Step 5: Solve for x
    x = 8,735,635,960.88/113,592
  6. Step 6: Final answer
    x = 76,903.62

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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.