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Finding the Fourth Proportional to 93,395.48, 128,883.20 and 50,954

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Solution

The fourth proportional to 93,395.48, 128,883.20 and 50,954 is: 70,315.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,395.48 : 128,883.20 = 50,954 : x
  2. Step 2: Convert to fraction form
    93,395.48/128,883.20 = 50,954/x
  3. Step 3: Cross multiply
    93,395.48x = 128,883.20 × 50,954
  4. Step 4: Simplify right side
    93,395.48x = 6,567,114,572.80
  5. Step 5: Solve for x
    x = 6,567,114,572.80/93,395.48
  6. Step 6: Final answer
    x = 70,315.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.