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Finding the Fourth Proportional to 234,059.40, 323,040.61 and 143,465.76

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Solution

The fourth proportional to 234,059.40, 323,040.61 and 143,465.76 is: 198,006.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,059.40 : 323,040.61 = 143,465.76 : x
  2. Step 2: Convert to fraction form
    234,059.40/323,040.61 = 143,465.76/x
  3. Step 3: Cross multiply
    234,059.40x = 323,040.61 × 143,465.76
  4. Step 4: Simplify right side
    234,059.40x = 46,345,266,624.51
  5. Step 5: Solve for x
    x = 46,345,266,624.51/234,059.40
  6. Step 6: Final answer
    x = 198,006.43

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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.