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Finding the Fourth Proportional to 234,943.90, 324,222.90 and 127,513.94

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Solution

The fourth proportional to 234,943.90, 324,222.90 and 127,513.94 is: 175,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,943.90 : 324,222.90 = 127,513.94 : x
  2. Step 2: Convert to fraction form
    234,943.90/324,222.90 = 127,513.94/x
  3. Step 3: Cross multiply
    234,943.90x = 324,222.90 × 127,513.94
  4. Step 4: Simplify right side
    234,943.90x = 41,342,937,158.54
  5. Step 5: Solve for x
    x = 41,342,937,158.54/234,943.90
  6. Step 6: Final answer
    x = 175,969.40

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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.