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Finding the Fourth Proportional to 364,989.21, 547,536.21 and 112,290.92

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Solution

The fourth proportional to 364,989.21, 547,536.21 and 112,290.92 is: 168,452.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,989.21 : 547,536.21 = 112,290.92 : x
  2. Step 2: Convert to fraction form
    364,989.21/547,536.21 = 112,290.92/x
  3. Step 3: Cross multiply
    364,989.21x = 547,536.21 × 112,290.92
  4. Step 4: Simplify right side
    364,989.21x = 61,483,346,728.59
  5. Step 5: Solve for x
    x = 61,483,346,728.59/364,989.21
  6. Step 6: Final answer
    x = 168,452.51

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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.