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Finding the Fourth Proportional to 93,167.66, 139,731.89 and 29,993.43

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Solution

The fourth proportional to 93,167.66, 139,731.89 and 29,993.43 is: 44,983.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,167.66 : 139,731.89 = 29,993.43 : x
  2. Step 2: Convert to fraction form
    93,167.66/139,731.89 = 29,993.43/x
  3. Step 3: Cross multiply
    93,167.66x = 139,731.89 × 29,993.43
  4. Step 4: Simplify right side
    93,167.66x = 4,191,038,661.48
  5. Step 5: Solve for x
    x = 4,191,038,661.48/93,167.66
  6. Step 6: Final answer
    x = 44,983.84

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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.