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Finding the Fourth Proportional to 202,600.47, 303,689.53 and 76,153.60

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Solution

The fourth proportional to 202,600.47, 303,689.53 and 76,153.60 is: 114,151.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,600.47 : 303,689.53 = 76,153.60 : x
  2. Step 2: Convert to fraction form
    202,600.47/303,689.53 = 76,153.60/x
  3. Step 3: Cross multiply
    202,600.47x = 303,689.53 × 76,153.60
  4. Step 4: Simplify right side
    202,600.47x = 23,127,050,042.20
  5. Step 5: Solve for x
    x = 23,127,050,042.20/202,600.47
  6. Step 6: Final answer
    x = 114,151.02

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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.