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Finding the Fourth Proportional to 93,233.46, 139,905.28 and 43,330.98

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Solution

The fourth proportional to 93,233.46, 139,905.28 and 43,330.98 is: 65,022.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,233.46 : 139,905.28 = 43,330.98 : x
  2. Step 2: Convert to fraction form
    93,233.46/139,905.28 = 43,330.98/x
  3. Step 3: Cross multiply
    93,233.46x = 139,905.28 × 43,330.98
  4. Step 4: Simplify right side
    93,233.46x = 6,062,232,889.57
  5. Step 5: Solve for x
    x = 6,062,232,889.57/93,233.46
  6. Step 6: Final answer
    x = 65,022.07

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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.