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Finding the Fourth Proportional to 199,124.76, 297,985.26 and 124,279.96

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Solution

The fourth proportional to 199,124.76, 297,985.26 and 124,279.96 is: 185,981.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,124.76 : 297,985.26 = 124,279.96 : x
  2. Step 2: Convert to fraction form
    199,124.76/297,985.26 = 124,279.96/x
  3. Step 3: Cross multiply
    199,124.76x = 297,985.26 × 124,279.96
  4. Step 4: Simplify right side
    199,124.76x = 37,033,596,193.39
  5. Step 5: Solve for x
    x = 37,033,596,193.39/199,124.76
  6. Step 6: Final answer
    x = 185,981.87

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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.