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Finding the Fourth Proportional to 117,580.58, 162,262.37 and 63,866.64

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Solution

The fourth proportional to 117,580.58, 162,262.37 and 63,866.64 is: 88,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,580.58 : 162,262.37 = 63,866.64 : x
  2. Step 2: Convert to fraction form
    117,580.58/162,262.37 = 63,866.64/x
  3. Step 3: Cross multiply
    117,580.58x = 162,262.37 × 63,866.64
  4. Step 4: Simplify right side
    117,580.58x = 10,363,152,370.34
  5. Step 5: Solve for x
    x = 10,363,152,370.34/117,580.58
  6. Step 6: Final answer
    x = 88,136.60

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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.