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Finding the Fourth Proportional to 93,158, 139,741.92 and 26,592.96

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Solution

The fourth proportional to 93,158, 139,741.92 and 26,592.96 is: 39,890.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,158 : 139,741.92 = 26,592.96 : x
  2. Step 2: Convert to fraction form
    93,158/139,741.92 = 26,592.96/x
  3. Step 3: Cross multiply
    93,158x = 139,741.92 × 26,592.96
  4. Step 4: Simplify right side
    93,158x = 3,716,151,288.88
  5. Step 5: Solve for x
    x = 3,716,151,288.88/93,158
  6. Step 6: Final answer
    x = 39,890.84

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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.