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Finding the Fourth Proportional to 230,820.48, 346,265.28 and 72,996.48

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Solution

The fourth proportional to 230,820.48, 346,265.28 and 72,996.48 is: 109,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,820.48 : 346,265.28 = 72,996.48 : x
  2. Step 2: Convert to fraction form
    230,820.48/346,265.28 = 72,996.48/x
  3. Step 3: Cross multiply
    230,820.48x = 346,265.28 × 72,996.48
  4. Step 4: Simplify right side
    230,820.48x = 25,276,146,586.21
  5. Step 5: Solve for x
    x = 25,276,146,586.21/230,820.48
  6. Step 6: Final answer
    x = 109,505.65

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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.