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Finding the Fourth Proportional to 93,100.20, 139,655.70 and 26,545.20

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Solution

The fourth proportional to 93,100.20, 139,655.70 and 26,545.20 is: 39,819.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,100.20 : 139,655.70 = 26,545.20 : x
  2. Step 2: Convert to fraction form
    93,100.20/139,655.70 = 26,545.20/x
  3. Step 3: Cross multiply
    93,100.20x = 139,655.70 × 26,545.20
  4. Step 4: Simplify right side
    93,100.20x = 3,707,188,487.64
  5. Step 5: Solve for x
    x = 3,707,188,487.64/93,100.20
  6. Step 6: Final answer
    x = 39,819.34

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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.