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Finding the Fourth Proportional to 234,953.76, 324,231.36 and 132,977.40

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Solution

The fourth proportional to 234,953.76, 324,231.36 and 132,977.40 is: 183,506.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,953.76 : 324,231.36 = 132,977.40 : x
  2. Step 2: Convert to fraction form
    234,953.76/324,231.36 = 132,977.40/x
  3. Step 3: Cross multiply
    234,953.76x = 324,231.36 × 132,977.40
  4. Step 4: Simplify right side
    234,953.76x = 43,115,443,251.26
  5. Step 5: Solve for x
    x = 43,115,443,251.26/234,953.76
  6. Step 6: Final answer
    x = 183,506.08

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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.