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Finding the Fourth Proportional to 93,250.96, 139,998.38 and 55,369.40

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Solution

The fourth proportional to 93,250.96, 139,998.38 and 55,369.40 is: 83,126.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,250.96 : 139,998.38 = 55,369.40 : x
  2. Step 2: Convert to fraction form
    93,250.96/139,998.38 = 55,369.40/x
  3. Step 3: Cross multiply
    93,250.96x = 139,998.38 × 55,369.40
  4. Step 4: Simplify right side
    93,250.96x = 7,751,626,301.57
  5. Step 5: Solve for x
    x = 7,751,626,301.57/93,250.96
  6. Step 6: Final answer
    x = 83,126.50

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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.