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Finding the Fourth Proportional to 102,096.20, 152,837.10 and 89,808.20

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Solution

The fourth proportional to 102,096.20, 152,837.10 and 89,808.20 is: 134,442.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,096.20 : 152,837.10 = 89,808.20 : x
  2. Step 2: Convert to fraction form
    102,096.20/152,837.10 = 89,808.20/x
  3. Step 3: Cross multiply
    102,096.20x = 152,837.10 × 89,808.20
  4. Step 4: Simplify right side
    102,096.20x = 13,726,024,844.22
  5. Step 5: Solve for x
    x = 13,726,024,844.22/102,096.20
  6. Step 6: Final answer
    x = 134,442.07

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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.