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Finding the Fourth Proportional to 401,233.52, 601,881.96 and 134,991.92

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Solution

The fourth proportional to 401,233.52, 601,881.96 and 134,991.92 is: 202,498.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,233.52 : 601,881.96 = 134,991.92 : x
  2. Step 2: Convert to fraction form
    401,233.52/601,881.96 = 134,991.92/x
  3. Step 3: Cross multiply
    401,233.52x = 601,881.96 × 134,991.92
  4. Step 4: Simplify right side
    401,233.52x = 81,249,201,393.76
  5. Step 5: Solve for x
    x = 81,249,201,393.76/401,233.52
  6. Step 6: Final answer
    x = 202,498.54

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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.