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Finding the Fourth Proportional to 117,246.98, 161,801.40 and 63,532.10

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Solution

The fourth proportional to 117,246.98, 161,801.40 and 63,532.10 is: 87,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,246.98 : 161,801.40 = 63,532.10 : x
  2. Step 2: Convert to fraction form
    117,246.98/161,801.40 = 63,532.10/x
  3. Step 3: Cross multiply
    117,246.98x = 161,801.40 × 63,532.10
  4. Step 4: Simplify right side
    117,246.98x = 10,279,581,677.69
  5. Step 5: Solve for x
    x = 10,279,581,677.69/117,246.98
  6. Step 6: Final answer
    x = 87,674.60

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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.