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Finding the Fourth Proportional to 223,887.30, 308,864.53 and 151,266.75

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Solution

The fourth proportional to 223,887.30, 308,864.53 and 151,266.75 is: 208,680.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,887.30 : 308,864.53 = 151,266.75 : x
  2. Step 2: Convert to fraction form
    223,887.30/308,864.53 = 151,266.75/x
  3. Step 3: Cross multiply
    223,887.30x = 308,864.53 × 151,266.75
  4. Step 4: Simplify right side
    223,887.30x = 46,720,933,643.38
  5. Step 5: Solve for x
    x = 46,720,933,643.38/223,887.30
  6. Step 6: Final answer
    x = 208,680.59

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1.5x scale

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.