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Finding the Fourth Proportional to 234,409.53, 323,465.88 and 132,443.85

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Solution

The fourth proportional to 234,409.53, 323,465.88 and 132,443.85 is: 182,761.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,409.53 : 323,465.88 = 132,443.85 : x
  2. Step 2: Convert to fraction form
    234,409.53/323,465.88 = 132,443.85/x
  3. Step 3: Cross multiply
    234,409.53x = 323,465.88 × 132,443.85
  4. Step 4: Simplify right side
    234,409.53x = 42,841,066,490.84
  5. Step 5: Solve for x
    x = 42,841,066,490.84/234,409.53
  6. Step 6: Final answer
    x = 182,761.62

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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.