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Finding the Fourth Proportional to 102,894.70, 154,342.05 and 36,334.30

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Solution

The fourth proportional to 102,894.70, 154,342.05 and 36,334.30 is: 54,501.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,894.70 : 154,342.05 = 36,334.30 : x
  2. Step 2: Convert to fraction form
    102,894.70/154,342.05 = 36,334.30/x
  3. Step 3: Cross multiply
    102,894.70x = 154,342.05 × 36,334.30
  4. Step 4: Simplify right side
    102,894.70x = 5,607,910,347.32
  5. Step 5: Solve for x
    x = 5,607,910,347.32/102,894.70
  6. Step 6: Final answer
    x = 54,501.45

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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.