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Finding the Fourth Proportional to 202,630.80, 303,946.20 and 52,870.80

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Solution

The fourth proportional to 202,630.80, 303,946.20 and 52,870.80 is: 79,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,630.80 : 303,946.20 = 52,870.80 : x
  2. Step 2: Convert to fraction form
    202,630.80/303,946.20 = 52,870.80/x
  3. Step 3: Cross multiply
    202,630.80x = 303,946.20 × 52,870.80
  4. Step 4: Simplify right side
    202,630.80x = 16,069,878,750.96
  5. Step 5: Solve for x
    x = 16,069,878,750.96/202,630.80
  6. Step 6: Final answer
    x = 79,306.20

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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.