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Finding the Fourth Proportional to 202,634.90, 303,923.55 and 62,407.70

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Solution

The fourth proportional to 202,634.90, 303,923.55 and 62,407.70 is: 93,602.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,634.90 : 303,923.55 = 62,407.70 : x
  2. Step 2: Convert to fraction form
    202,634.90/303,923.55 = 62,407.70/x
  3. Step 3: Cross multiply
    202,634.90x = 303,923.55 × 62,407.70
  4. Step 4: Simplify right side
    202,634.90x = 18,967,169,731.34
  5. Step 5: Solve for x
    x = 18,967,169,731.34/202,634.90
  6. Step 6: Final answer
    x = 93,602.68

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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.