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Finding the Fourth Proportional to 234,783.48, 323,995.50 and 134,175.48

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Solution

The fourth proportional to 234,783.48, 323,995.50 and 134,175.48 is: 185,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,783.48 : 323,995.50 = 134,175.48 : x
  2. Step 2: Convert to fraction form
    234,783.48/323,995.50 = 134,175.48/x
  3. Step 3: Cross multiply
    234,783.48x = 323,995.50 × 134,175.48
  4. Step 4: Simplify right side
    234,783.48x = 43,472,251,730.34
  5. Step 5: Solve for x
    x = 43,472,251,730.34/234,783.48
  6. Step 6: Final answer
    x = 185,158.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.