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Finding the Fourth Proportional to 230,956.30, 346,483.05 and 73,200.70

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Solution

The fourth proportional to 230,956.30, 346,483.05 and 73,200.70 is: 109,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,956.30 : 346,483.05 = 73,200.70 : x
  2. Step 2: Convert to fraction form
    230,956.30/346,483.05 = 73,200.70/x
  3. Step 3: Cross multiply
    230,956.30x = 346,483.05 × 73,200.70
  4. Step 4: Simplify right side
    230,956.30x = 25,362,801,798.14
  5. Step 5: Solve for x
    x = 25,362,801,798.14/230,956.30
  6. Step 6: Final answer
    x = 109,816.45

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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.