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Finding the Fourth Proportional to 93,681, 140,511.15 and 23,560.34

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Solution

The fourth proportional to 93,681, 140,511.15 and 23,560.34 is: 35,337.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,681 : 140,511.15 = 23,560.34 : x
  2. Step 2: Convert to fraction form
    93,681/140,511.15 = 23,560.34/x
  3. Step 3: Cross multiply
    93,681x = 140,511.15 × 23,560.34
  4. Step 4: Simplify right side
    93,681x = 3,310,489,765.24
  5. Step 5: Solve for x
    x = 3,310,489,765.24/93,681
  6. Step 6: Final answer
    x = 35,337.90

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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.