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Finding the Fourth Proportional to 308,524.95, 462,821.45 and 98,113.68

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Solution

The fourth proportional to 308,524.95, 462,821.45 and 98,113.68 is: 147,181.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,524.95 : 462,821.45 = 98,113.68 : x
  2. Step 2: Convert to fraction form
    308,524.95/462,821.45 = 98,113.68/x
  3. Step 3: Cross multiply
    308,524.95x = 462,821.45 × 98,113.68
  4. Step 4: Simplify right side
    308,524.95x = 45,409,115,151.87
  5. Step 5: Solve for x
    x = 45,409,115,151.87/308,524.95
  6. Step 6: Final answer
    x = 147,181.34

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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.