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Finding the Fourth Proportional to 106,737, 147,305.70 and 62,033.64

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Solution

The fourth proportional to 106,737, 147,305.70 and 62,033.64 is: 85,611.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,737 : 147,305.70 = 62,033.64 : x
  2. Step 2: Convert to fraction form
    106,737/147,305.70 = 62,033.64/x
  3. Step 3: Cross multiply
    106,737x = 147,305.70 × 62,033.64
  4. Step 4: Simplify right side
    106,737x = 9,137,908,763.75
  5. Step 5: Solve for x
    x = 9,137,908,763.75/106,737
  6. Step 6: Final answer
    x = 85,611.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.