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Finding the Fourth Proportional to 133,062.76, 199,689.18 and 98,093.80

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Solution

The fourth proportional to 133,062.76, 199,689.18 and 98,093.80 is: 147,210.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,062.76 : 199,689.18 = 98,093.80 : x
  2. Step 2: Convert to fraction form
    133,062.76/199,689.18 = 98,093.80/x
  3. Step 3: Cross multiply
    133,062.76x = 199,689.18 × 98,093.80
  4. Step 4: Simplify right side
    133,062.76x = 19,588,270,485.08
  5. Step 5: Solve for x
    x = 19,588,270,485.08/133,062.76
  6. Step 6: Final answer
    x = 147,210.76

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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.