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Finding the Fourth Proportional to 216,742.48, 325,064.50 and 104,365.38

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Solution

The fourth proportional to 216,742.48, 325,064.50 and 104,365.38 is: 156,524.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,742.48 : 325,064.50 = 104,365.38 : x
  2. Step 2: Convert to fraction form
    216,742.48/325,064.50 = 104,365.38/x
  3. Step 3: Cross multiply
    216,742.48x = 325,064.50 × 104,365.38
  4. Step 4: Simplify right side
    216,742.48x = 33,925,480,067.01
  5. Step 5: Solve for x
    x = 33,925,480,067.01/216,742.48
  6. Step 6: Final answer
    x = 156,524.37

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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.