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Finding the Fourth Proportional to 356,887.08, 535,116.75 and 113,623.02

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Solution

The fourth proportional to 356,887.08, 535,116.75 and 113,623.02 is: 170,366.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,887.08 : 535,116.75 = 113,623.02 : x
  2. Step 2: Convert to fraction form
    356,887.08/535,116.75 = 113,623.02/x
  3. Step 3: Cross multiply
    356,887.08x = 535,116.75 × 113,623.02
  4. Step 4: Simplify right side
    356,887.08x = 60,801,581,187.59
  5. Step 5: Solve for x
    x = 60,801,581,187.59/356,887.08
  6. Step 6: Final answer
    x = 170,366.44

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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.