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Finding the Fourth Proportional to 102,686.58, 154,034.13 and 35,264.94

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Solution

The fourth proportional to 102,686.58, 154,034.13 and 35,264.94 is: 52,898.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,686.58 : 154,034.13 = 35,264.94 : x
  2. Step 2: Convert to fraction form
    102,686.58/154,034.13 = 35,264.94/x
  3. Step 3: Cross multiply
    102,686.58x = 154,034.13 × 35,264.94
  4. Step 4: Simplify right side
    102,686.58x = 5,432,004,352.40
  5. Step 5: Solve for x
    x = 5,432,004,352.40/102,686.58
  6. Step 6: Final answer
    x = 52,898.87

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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.