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Finding the Fourth Proportional to 145,493.08, 200,709.30 and 88,806.04

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Solution

The fourth proportional to 145,493.08, 200,709.30 and 88,806.04 is: 122,508.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,493.08 : 200,709.30 = 88,806.04 : x
  2. Step 2: Convert to fraction form
    145,493.08/200,709.30 = 88,806.04/x
  3. Step 3: Cross multiply
    145,493.08x = 200,709.30 × 88,806.04
  4. Step 4: Simplify right side
    145,493.08x = 17,824,198,124.17
  5. Step 5: Solve for x
    x = 17,824,198,124.17/145,493.08
  6. Step 6: Final answer
    x = 122,508.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.