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Finding the Fourth Proportional to 266,095.78, 399,207.46 and 88,604.40

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Solution

The fourth proportional to 266,095.78, 399,207.46 and 88,604.40 is: 132,927.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,095.78 : 399,207.46 = 88,604.40 : x
  2. Step 2: Convert to fraction form
    266,095.78/399,207.46 = 88,604.40/x
  3. Step 3: Cross multiply
    266,095.78x = 399,207.46 × 88,604.40
  4. Step 4: Simplify right side
    266,095.78x = 35,371,537,468.82
  5. Step 5: Solve for x
    x = 35,371,537,468.82/266,095.78
  6. Step 6: Final answer
    x = 132,927.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.