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Finding the Fourth Proportional to 130,100.80, 195,021.60 and 59,857.60

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Solution

The fourth proportional to 130,100.80, 195,021.60 and 59,857.60 is: 89,726.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,100.80 : 195,021.60 = 59,857.60 : x
  2. Step 2: Convert to fraction form
    130,100.80/195,021.60 = 59,857.60/x
  3. Step 3: Cross multiply
    130,100.80x = 195,021.60 × 59,857.60
  4. Step 4: Simplify right side
    130,100.80x = 11,673,524,924.16
  5. Step 5: Solve for x
    x = 11,673,524,924.16/130,100.80
  6. Step 6: Final answer
    x = 89,726.77

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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.