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Finding the Fourth Proportional to 130,668.60, 196,101.54 and 95,698.92

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Solution

The fourth proportional to 130,668.60, 196,101.54 and 95,698.92 is: 143,620.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,668.60 : 196,101.54 = 95,698.92 : x
  2. Step 2: Convert to fraction form
    130,668.60/196,101.54 = 95,698.92/x
  3. Step 3: Cross multiply
    130,668.60x = 196,101.54 × 95,698.92
  4. Step 4: Simplify right side
    130,668.60x = 18,766,705,588.34
  5. Step 5: Solve for x
    x = 18,766,705,588.34/130,668.60
  6. Step 6: Final answer
    x = 143,620.62

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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.