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Finding the Fourth Proportional to 134,798.70, 202,198.05 and 92,808.30

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Solution

The fourth proportional to 134,798.70, 202,198.05 and 92,808.30 is: 139,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,798.70 : 202,198.05 = 92,808.30 : x
  2. Step 2: Convert to fraction form
    134,798.70/202,198.05 = 92,808.30/x
  3. Step 3: Cross multiply
    134,798.70x = 202,198.05 × 92,808.30
  4. Step 4: Simplify right side
    134,798.70x = 18,765,657,283.82
  5. Step 5: Solve for x
    x = 18,765,657,283.82/134,798.70
  6. Step 6: Final answer
    x = 139,212.45

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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.