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Finding the Fourth Proportional to 223,887.05, 308,864.18 and 151,266.50

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Solution

The fourth proportional to 223,887.05, 308,864.18 and 151,266.50 is: 208,680.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,887.05 : 308,864.18 = 151,266.50 : x
  2. Step 2: Convert to fraction form
    223,887.05/308,864.18 = 151,266.50/x
  3. Step 3: Cross multiply
    223,887.05x = 308,864.18 × 151,266.50
  4. Step 4: Simplify right side
    223,887.05x = 46,720,804,634.30
  5. Step 5: Solve for x
    x = 46,720,804,634.30/223,887.05
  6. Step 6: Final answer
    x = 208,680.24

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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.