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Finding the Fourth Proportional to 234,931.94, 324,208.50 and 127,502.90

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Solution

The fourth proportional to 234,931.94, 324,208.50 and 127,502.90 is: 175,955.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,931.94 : 324,208.50 = 127,502.90 : x
  2. Step 2: Convert to fraction form
    234,931.94/324,208.50 = 127,502.90/x
  3. Step 3: Cross multiply
    234,931.94x = 324,208.50 × 127,502.90
  4. Step 4: Simplify right side
    234,931.94x = 41,337,523,954.65
  5. Step 5: Solve for x
    x = 41,337,523,954.65/234,931.94
  6. Step 6: Final answer
    x = 175,955.32

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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.