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Finding the Fourth Proportional to 130,416.97, 195,609.12 and 41,663.11

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Solution

The fourth proportional to 130,416.97, 195,609.12 and 41,663.11 is: 62,489.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,416.97 : 195,609.12 = 41,663.11 : x
  2. Step 2: Convert to fraction form
    130,416.97/195,609.12 = 41,663.11/x
  3. Step 3: Cross multiply
    130,416.97x = 195,609.12 × 41,663.11
  4. Step 4: Simplify right side
    130,416.97x = 8,149,684,283.56
  5. Step 5: Solve for x
    x = 8,149,684,283.56/130,416.97
  6. Step 6: Final answer
    x = 62,489.45

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1.5x scale

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.