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Finding the Fourth Proportional to 93,228.60, 139,847.64 and 26,678.61

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Solution

The fourth proportional to 93,228.60, 139,847.64 and 26,678.61 is: 40,019.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,228.60 : 139,847.64 = 26,678.61 : x
  2. Step 2: Convert to fraction form
    93,228.60/139,847.64 = 26,678.61/x
  3. Step 3: Cross multiply
    93,228.60x = 139,847.64 × 26,678.61
  4. Step 4: Simplify right side
    93,228.60x = 3,730,940,646.98
  5. Step 5: Solve for x
    x = 3,730,940,646.98/93,228.60
  6. Step 6: Final answer
    x = 40,019.27

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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.