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Finding the Fourth Proportional to 234,089.71, 323,041.50 and 126,657.38

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Solution

The fourth proportional to 234,089.71, 323,041.50 and 126,657.38 is: 174,785.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,089.71 : 323,041.50 = 126,657.38 : x
  2. Step 2: Convert to fraction form
    234,089.71/323,041.50 = 126,657.38/x
  3. Step 3: Cross multiply
    234,089.71x = 323,041.50 × 126,657.38
  4. Step 4: Simplify right side
    234,089.71x = 40,915,590,828.87
  5. Step 5: Solve for x
    x = 40,915,590,828.87/234,089.71
  6. Step 6: Final answer
    x = 174,785.95

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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.