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Finding the Fourth Proportional to 233,915.38, 322,802.99 and 126,485.15

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Solution

The fourth proportional to 233,915.38, 322,802.99 and 126,485.15 is: 174,549.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,915.38 : 322,802.99 = 126,485.15 : x
  2. Step 2: Convert to fraction form
    233,915.38/322,802.99 = 126,485.15/x
  3. Step 3: Cross multiply
    233,915.38x = 322,802.99 × 126,485.15
  4. Step 4: Simplify right side
    233,915.38x = 40,829,783,978.17
  5. Step 5: Solve for x
    x = 40,829,783,978.17/233,915.38
  6. Step 6: Final answer
    x = 174,549.38

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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.