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Finding the Fourth Proportional to 266,656.91, 368,009.25 and 151,970.63

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Solution

The fourth proportional to 266,656.91, 368,009.25 and 151,970.63 is: 209,732.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,656.91 : 368,009.25 = 151,970.63 : x
  2. Step 2: Convert to fraction form
    266,656.91/368,009.25 = 151,970.63/x
  3. Step 3: Cross multiply
    266,656.91x = 368,009.25 × 151,970.63
  4. Step 4: Simplify right side
    266,656.91x = 55,926,597,568.33
  5. Step 5: Solve for x
    x = 55,926,597,568.33/266,656.91
  6. Step 6: Final answer
    x = 209,732.41

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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.