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Finding the Fourth Proportional to 116,592.90, 174,879.63 and 69,811.62

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Solution

The fourth proportional to 116,592.90, 174,879.63 and 69,811.62 is: 104,711.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,592.90 : 174,879.63 = 69,811.62 : x
  2. Step 2: Convert to fraction form
    116,592.90/174,879.63 = 69,811.62/x
  3. Step 3: Cross multiply
    116,592.90x = 174,879.63 × 69,811.62
  4. Step 4: Simplify right side
    116,592.90x = 12,208,630,275.30
  5. Step 5: Solve for x
    x = 12,208,630,275.30/116,592.90
  6. Step 6: Final answer
    x = 104,711.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.