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Finding the Fourth Proportional to 117,580.59, 162,262.97 and 63,866.65

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Solution

The fourth proportional to 117,580.59, 162,262.97 and 63,866.65 is: 88,136.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,580.59 : 162,262.97 = 63,866.65 : x
  2. Step 2: Convert to fraction form
    117,580.59/162,262.97 = 63,866.65/x
  3. Step 3: Cross multiply
    117,580.59x = 162,262.97 × 63,866.65
  4. Step 4: Simplify right side
    117,580.59x = 10,363,192,312.95
  5. Step 5: Solve for x
    x = 10,363,192,312.95/117,580.59
  6. Step 6: Final answer
    x = 88,136.93

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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.