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Finding the Fourth Proportional to 130,044.60, 195,131.70 and 73,927.80

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Solution

The fourth proportional to 130,044.60, 195,131.70 and 73,927.80 is: 110,928.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,044.60 : 195,131.70 = 73,927.80 : x
  2. Step 2: Convert to fraction form
    130,044.60/195,131.70 = 73,927.80/x
  3. Step 3: Cross multiply
    130,044.60x = 195,131.70 × 73,927.80
  4. Step 4: Simplify right side
    130,044.60x = 14,425,657,291.26
  5. Step 5: Solve for x
    x = 14,425,657,291.26/130,044.60
  6. Step 6: Final answer
    x = 110,928.54

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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.