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Finding the Fourth Proportional to 230,940.57, 346,406.75 and 73,164.92

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Solution

The fourth proportional to 230,940.57, 346,406.75 and 73,164.92 is: 109,746.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,940.57 : 346,406.75 = 73,164.92 : x
  2. Step 2: Convert to fraction form
    230,940.57/346,406.75 = 73,164.92/x
  3. Step 3: Cross multiply
    230,940.57x = 346,406.75 × 73,164.92
  4. Step 4: Simplify right side
    230,940.57x = 25,344,822,151.21
  5. Step 5: Solve for x
    x = 25,344,822,151.21/230,940.57
  6. Step 6: Final answer
    x = 109,746.08

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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.