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Finding the Fourth Proportional to 240,729.05, 360,929.55 and 114,429.80

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Solution

The fourth proportional to 240,729.05, 360,929.55 and 114,429.80 is: 171,566.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,729.05 : 360,929.55 = 114,429.80 : x
  2. Step 2: Convert to fraction form
    240,729.05/360,929.55 = 114,429.80/x
  3. Step 3: Cross multiply
    240,729.05x = 360,929.55 × 114,429.80
  4. Step 4: Simplify right side
    240,729.05x = 41,301,096,220.59
  5. Step 5: Solve for x
    x = 41,301,096,220.59/240,729.05
  6. Step 6: Final answer
    x = 171,566.73

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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.