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Finding the Fourth Proportional to 234,465.69, 323,526.09 and 138,956.97

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Solution

The fourth proportional to 234,465.69, 323,526.09 and 138,956.97 is: 191,738.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,465.69 : 323,526.09 = 138,956.97 : x
  2. Step 2: Convert to fraction form
    234,465.69/323,526.09 = 138,956.97/x
  3. Step 3: Cross multiply
    234,465.69x = 323,526.09 × 138,956.97
  4. Step 4: Simplify right side
    234,465.69x = 44,956,205,182.35
  5. Step 5: Solve for x
    x = 44,956,205,182.35/234,465.69
  6. Step 6: Final answer
    x = 191,738.95

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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.