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Finding the Fourth Proportional to 341,992.50, 512,988.93 and 92,674.50

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Solution

The fourth proportional to 341,992.50, 512,988.93 and 92,674.50 is: 139,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,992.50 : 512,988.93 = 92,674.50 : x
  2. Step 2: Convert to fraction form
    341,992.50/512,988.93 = 92,674.50/x
  3. Step 3: Cross multiply
    341,992.50x = 512,988.93 × 92,674.50
  4. Step 4: Simplify right side
    341,992.50x = 47,540,992,593.29
  5. Step 5: Solve for x
    x = 47,540,992,593.29/341,992.50
  6. Step 6: Final answer
    x = 139,011.80

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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.