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Finding the Fourth Proportional to 234,280.69, 323,307.50 and 126,850.79

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Solution

The fourth proportional to 234,280.69, 323,307.50 and 126,850.79 is: 175,054.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,280.69 : 323,307.50 = 126,850.79 : x
  2. Step 2: Convert to fraction form
    234,280.69/323,307.50 = 126,850.79/x
  3. Step 3: Cross multiply
    234,280.69x = 323,307.50 × 126,850.79
  4. Step 4: Simplify right side
    234,280.69x = 41,011,811,787.93
  5. Step 5: Solve for x
    x = 41,011,811,787.93/234,280.69
  6. Step 6: Final answer
    x = 175,054.17

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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.