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Finding the Fourth Proportional to 146,737.70, 220,106.55 and 145,862.90

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Solution

The fourth proportional to 146,737.70, 220,106.55 and 145,862.90 is: 218,794.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,737.70 : 220,106.55 = 145,862.90 : x
  2. Step 2: Convert to fraction form
    146,737.70/220,106.55 = 145,862.90/x
  3. Step 3: Cross multiply
    146,737.70x = 220,106.55 × 145,862.90
  4. Step 4: Simplify right side
    146,737.70x = 32,105,379,692.00
  5. Step 5: Solve for x
    x = 32,105,379,692.00/146,737.70
  6. Step 6: Final answer
    x = 218,794.35

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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.