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Finding the Fourth Proportional to 45,371, 68,070.30 and 23,199.94

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Solution

The fourth proportional to 45,371, 68,070.30 and 23,199.94 is: 34,806.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,371 : 68,070.30 = 23,199.94 : x
  2. Step 2: Convert to fraction form
    45,371/68,070.30 = 23,199.94/x
  3. Step 3: Cross multiply
    45,371x = 68,070.30 × 23,199.94
  4. Step 4: Simplify right side
    45,371x = 1,579,226,875.78
  5. Step 5: Solve for x
    x = 1,579,226,875.78/45,371
  6. Step 6: Final answer
    x = 34,806.97

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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.