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Finding the Fourth Proportional to 268,887.64, 403,461.96 and 169,094.80

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Solution

The fourth proportional to 268,887.64, 403,461.96 and 169,094.80 is: 253,724.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,887.64 : 403,461.96 = 169,094.80 : x
  2. Step 2: Convert to fraction form
    268,887.64/403,461.96 = 169,094.80/x
  3. Step 3: Cross multiply
    268,887.64x = 403,461.96 × 169,094.80
  4. Step 4: Simplify right side
    268,887.64x = 68,223,319,433.81
  5. Step 5: Solve for x
    x = 68,223,319,433.81/268,887.64
  6. Step 6: Final answer
    x = 253,724.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.