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Finding the Fourth Proportional to 268,873.62, 371,004.48 and 155,674.50

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Solution

The fourth proportional to 268,873.62, 371,004.48 and 155,674.50 is: 214,807.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,873.62 : 371,004.48 = 155,674.50 : x
  2. Step 2: Convert to fraction form
    268,873.62/371,004.48 = 155,674.50/x
  3. Step 3: Cross multiply
    268,873.62x = 371,004.48 × 155,674.50
  4. Step 4: Simplify right side
    268,873.62x = 57,755,936,921.76
  5. Step 5: Solve for x
    x = 57,755,936,921.76/268,873.62
  6. Step 6: Final answer
    x = 214,807.00

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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.