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Finding the Fourth Proportional to 147,903.70, 222,001.35 and 73,108.30

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Solution

The fourth proportional to 147,903.70, 222,001.35 and 73,108.30 is: 109,734.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,903.70 : 222,001.35 = 73,108.30 : x
  2. Step 2: Convert to fraction form
    147,903.70/222,001.35 = 73,108.30/x
  3. Step 3: Cross multiply
    147,903.70x = 222,001.35 × 73,108.30
  4. Step 4: Simplify right side
    147,903.70x = 16,230,141,296.21
  5. Step 5: Solve for x
    x = 16,230,141,296.21/147,903.70
  6. Step 6: Final answer
    x = 109,734.52

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1.5x scale

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.