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Finding the Fourth Proportional to 93,622.76, 140,469.61 and 56,208.96

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Solution

The fourth proportional to 93,622.76, 140,469.61 and 56,208.96 is: 84,334.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,622.76 : 140,469.61 = 56,208.96 : x
  2. Step 2: Convert to fraction form
    93,622.76/140,469.61 = 56,208.96/x
  3. Step 3: Cross multiply
    93,622.76x = 140,469.61 × 56,208.96
  4. Step 4: Simplify right side
    93,622.76x = 7,895,650,689.71
  5. Step 5: Solve for x
    x = 7,895,650,689.71/93,622.76
  6. Step 6: Final answer
    x = 84,334.74

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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.