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Finding the Fourth Proportional to 266,935.68, 368,211.15 and 176,291.82

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Solution

The fourth proportional to 266,935.68, 368,211.15 and 176,291.82 is: 243,176.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,935.68 : 368,211.15 = 176,291.82 : x
  2. Step 2: Convert to fraction form
    266,935.68/368,211.15 = 176,291.82/x
  3. Step 3: Cross multiply
    266,935.68x = 368,211.15 × 176,291.82
  4. Step 4: Simplify right side
    266,935.68x = 64,912,613,777.79
  5. Step 5: Solve for x
    x = 64,912,613,777.79/266,935.68
  6. Step 6: Final answer
    x = 243,176.98

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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.