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Finding the Fourth Proportional to 109,737.85, 164,661.45 and 62,389.30

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Solution

The fourth proportional to 109,737.85, 164,661.45 and 62,389.30 is: 93,615.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,737.85 : 164,661.45 = 62,389.30 : x
  2. Step 2: Convert to fraction form
    109,737.85/164,661.45 = 62,389.30/x
  3. Step 3: Cross multiply
    109,737.85x = 164,661.45 × 62,389.30
  4. Step 4: Simplify right side
    109,737.85x = 10,273,112,602.49
  5. Step 5: Solve for x
    x = 10,273,112,602.49/109,737.85
  6. Step 6: Final answer
    x = 93,615.03

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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.