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Finding the Fourth Proportional to 202,690.60, 304,035.90 and 62,492.20

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Solution

The fourth proportional to 202,690.60, 304,035.90 and 62,492.20 is: 93,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,690.60 : 304,035.90 = 62,492.20 : x
  2. Step 2: Convert to fraction form
    202,690.60/304,035.90 = 62,492.20/x
  3. Step 3: Cross multiply
    202,690.60x = 304,035.90 × 62,492.20
  4. Step 4: Simplify right side
    202,690.60x = 18,999,872,269.98
  5. Step 5: Solve for x
    x = 18,999,872,269.98/202,690.60
  6. Step 6: Final answer
    x = 93,738.30

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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.