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Finding the Fourth Proportional to 119,430.40, 179,138.40 and 52,851.04

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Solution

The fourth proportional to 119,430.40, 179,138.40 and 52,851.04 is: 79,273.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,430.40 : 179,138.40 = 52,851.04 : x
  2. Step 2: Convert to fraction form
    119,430.40/179,138.40 = 52,851.04/x
  3. Step 3: Cross multiply
    119,430.40x = 179,138.40 × 52,851.04
  4. Step 4: Simplify right side
    119,430.40x = 9,467,650,743.94
  5. Step 5: Solve for x
    x = 9,467,650,743.94/119,430.40
  6. Step 6: Final answer
    x = 79,273.37

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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.