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Finding the Fourth Proportional to 351,029.76, 526,544.64 and 164,172.48

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Solution

The fourth proportional to 351,029.76, 526,544.64 and 164,172.48 is: 246,258.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,029.76 : 526,544.64 = 164,172.48 : x
  2. Step 2: Convert to fraction form
    351,029.76/526,544.64 = 164,172.48/x
  3. Step 3: Cross multiply
    351,029.76x = 526,544.64 × 164,172.48
  4. Step 4: Simplify right side
    351,029.76x = 86,444,139,379.51
  5. Step 5: Solve for x
    x = 86,444,139,379.51/351,029.76
  6. Step 6: Final answer
    x = 246,258.72

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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.