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Finding the Fourth Proportional to 102,751.70, 154,030.35 and 60,664.10

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Solution

The fourth proportional to 102,751.70, 154,030.35 and 60,664.10 is: 90,938.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,751.70 : 154,030.35 = 60,664.10 : x
  2. Step 2: Convert to fraction form
    102,751.70/154,030.35 = 60,664.10/x
  3. Step 3: Cross multiply
    102,751.70x = 154,030.35 × 60,664.10
  4. Step 4: Simplify right side
    102,751.70x = 9,344,112,555.44
  5. Step 5: Solve for x
    x = 9,344,112,555.44/102,751.70
  6. Step 6: Final answer
    x = 90,938.76

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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.