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Finding the Fourth Proportional to 134,486.70, 201,730.05 and 92,496.30

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Solution

The fourth proportional to 134,486.70, 201,730.05 and 92,496.30 is: 138,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,486.70 : 201,730.05 = 92,496.30 : x
  2. Step 2: Convert to fraction form
    134,486.70/201,730.05 = 92,496.30/x
  3. Step 3: Cross multiply
    134,486.70x = 201,730.05 × 92,496.30
  4. Step 4: Simplify right side
    134,486.70x = 18,659,283,223.82
  5. Step 5: Solve for x
    x = 18,659,283,223.82/134,486.70
  6. Step 6: Final answer
    x = 138,744.45

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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.