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Finding the Fourth Proportional to 301,990.38, 452,985.66 and 88,758.33

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Solution

The fourth proportional to 301,990.38, 452,985.66 and 88,758.33 is: 133,137.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,990.38 : 452,985.66 = 88,758.33 : x
  2. Step 2: Convert to fraction form
    301,990.38/452,985.66 = 88,758.33/x
  3. Step 3: Cross multiply
    301,990.38x = 452,985.66 × 88,758.33
  4. Step 4: Simplify right side
    301,990.38x = 40,206,250,695.55
  5. Step 5: Solve for x
    x = 40,206,250,695.55/301,990.38
  6. Step 6: Final answer
    x = 133,137.52

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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.