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Finding the Fourth Proportional to 93,381.50, 140,073.49 and 31,052.02

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Solution

The fourth proportional to 93,381.50, 140,073.49 and 31,052.02 is: 46,578.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,381.50 : 140,073.49 = 31,052.02 : x
  2. Step 2: Convert to fraction form
    93,381.50/140,073.49 = 31,052.02/x
  3. Step 3: Cross multiply
    93,381.50x = 140,073.49 × 31,052.02
  4. Step 4: Simplify right side
    93,381.50x = 4,349,564,812.95
  5. Step 5: Solve for x
    x = 4,349,564,812.95/93,381.50
  6. Step 6: Final answer
    x = 46,578.44

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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.