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Finding the Fourth Proportional to 93,193.80, 139,674.12 and 73,394.16

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Solution

The fourth proportional to 93,193.80, 139,674.12 and 73,394.16 is: 109,999.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,193.80 : 139,674.12 = 73,394.16 : x
  2. Step 2: Convert to fraction form
    93,193.80/139,674.12 = 73,394.16/x
  3. Step 3: Cross multiply
    93,193.80x = 139,674.12 × 73,394.16
  4. Step 4: Simplify right side
    93,193.80x = 10,251,264,711.14
  5. Step 5: Solve for x
    x = 10,251,264,711.14/93,193.80
  6. Step 6: Final answer
    x = 109,999.43

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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.