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Finding the Fourth Proportional to 117,212.46, 161,752.54 and 63,498.52

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Solution

The fourth proportional to 117,212.46, 161,752.54 and 63,498.52 is: 87,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,212.46 : 161,752.54 = 63,498.52 : x
  2. Step 2: Convert to fraction form
    117,212.46/161,752.54 = 63,498.52/x
  3. Step 3: Cross multiply
    117,212.46x = 161,752.54 × 63,498.52
  4. Step 4: Simplify right side
    117,212.46x = 10,271,046,896.24
  5. Step 5: Solve for x
    x = 10,271,046,896.24/117,212.46
  6. Step 6: Final answer
    x = 87,627.60

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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.