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Finding the Fourth Proportional to 223,666.30, 308,631.43 and 151,226.79

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Solution

The fourth proportional to 223,666.30, 308,631.43 and 151,226.79 is: 208,674.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,666.30 : 308,631.43 = 151,226.79 : x
  2. Step 2: Convert to fraction form
    223,666.30/308,631.43 = 151,226.79/x
  3. Step 3: Cross multiply
    223,666.30x = 308,631.43 × 151,226.79
  4. Step 4: Simplify right side
    223,666.30x = 46,673,340,452.01
  5. Step 5: Solve for x
    x = 46,673,340,452.01/223,666.30
  6. Step 6: Final answer
    x = 208,674.00

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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.