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Finding the Fourth Proportional to 355,250.34, 532,867.92 and 115,363.98

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Solution

The fourth proportional to 355,250.34, 532,867.92 and 115,363.98 is: 173,043.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,250.34 : 532,867.92 = 115,363.98 : x
  2. Step 2: Convert to fraction form
    355,250.34/532,867.92 = 115,363.98/x
  3. Step 3: Cross multiply
    355,250.34x = 532,867.92 × 115,363.98
  4. Step 4: Simplify right side
    355,250.34x = 61,473,764,065.52
  5. Step 5: Solve for x
    x = 61,473,764,065.52/355,250.34
  6. Step 6: Final answer
    x = 173,043.51

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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.