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Finding the Fourth Proportional to 202,870.70, 304,046.85 and 147,401.90

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Solution

The fourth proportional to 202,870.70, 304,046.85 and 147,401.90 is: 220,914.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,870.70 : 304,046.85 = 147,401.90 : x
  2. Step 2: Convert to fraction form
    202,870.70/304,046.85 = 147,401.90/x
  3. Step 3: Cross multiply
    202,870.70x = 304,046.85 × 147,401.90
  4. Step 4: Simplify right side
    202,870.70x = 44,817,083,379.02
  5. Step 5: Solve for x
    x = 44,817,083,379.02/202,870.70
  6. Step 6: Final answer
    x = 220,914.52

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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.