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Finding the Fourth Proportional to 266,800.66, 368,278.72 and 164,904.28

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Solution

The fourth proportional to 266,800.66, 368,278.72 and 164,904.28 is: 227,625.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,800.66 : 368,278.72 = 164,904.28 : x
  2. Step 2: Convert to fraction form
    266,800.66/368,278.72 = 164,904.28/x
  3. Step 3: Cross multiply
    266,800.66x = 368,278.72 × 164,904.28
  4. Step 4: Simplify right side
    266,800.66x = 60,730,735,827.96
  5. Step 5: Solve for x
    x = 60,730,735,827.96/266,800.66
  6. Step 6: Final answer
    x = 227,625.89

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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.