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Finding the Fourth Proportional to 116,445.76, 174,668.70 and 49,842.76

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Solution

The fourth proportional to 116,445.76, 174,668.70 and 49,842.76 is: 74,764.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,445.76 : 174,668.70 = 49,842.76 : x
  2. Step 2: Convert to fraction form
    116,445.76/174,668.70 = 49,842.76/x
  3. Step 3: Cross multiply
    116,445.76x = 174,668.70 × 49,842.76
  4. Step 4: Simplify right side
    116,445.76x = 8,705,970,093.61
  5. Step 5: Solve for x
    x = 8,705,970,093.61/116,445.76
  6. Step 6: Final answer
    x = 74,764.17

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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.