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Finding the Fourth Proportional to 119,993.48, 179,987.85 and 35,810.68

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Solution

The fourth proportional to 119,993.48, 179,987.85 and 35,810.68 is: 53,715.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,993.48 : 179,987.85 = 35,810.68 : x
  2. Step 2: Convert to fraction form
    119,993.48/179,987.85 = 35,810.68/x
  3. Step 3: Cross multiply
    119,993.48x = 179,987.85 × 35,810.68
  4. Step 4: Simplify right side
    119,993.48x = 6,445,487,121.18
  5. Step 5: Solve for x
    x = 6,445,487,121.18/119,993.48
  6. Step 6: Final answer
    x = 53,715.31

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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.