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Finding the Fourth Proportional to 117,995.85, 162,834.57 and 64,281.26

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Solution

The fourth proportional to 117,995.85, 162,834.57 and 64,281.26 is: 88,708.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,995.85 : 162,834.57 = 64,281.26 : x
  2. Step 2: Convert to fraction form
    117,995.85/162,834.57 = 64,281.26/x
  3. Step 3: Cross multiply
    117,995.85x = 162,834.57 × 64,281.26
  4. Step 4: Simplify right side
    117,995.85x = 10,467,210,822.30
  5. Step 5: Solve for x
    x = 10,467,210,822.30/117,995.85
  6. Step 6: Final answer
    x = 88,708.30

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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.