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Finding the Fourth Proportional to 246,506, 369,814.39 and 78,036.43

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Solution

The fourth proportional to 246,506, 369,814.39 and 78,036.43 is: 117,072.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,506 : 369,814.39 = 78,036.43 : x
  2. Step 2: Convert to fraction form
    246,506/369,814.39 = 78,036.43/x
  3. Step 3: Cross multiply
    246,506x = 369,814.39 × 78,036.43
  4. Step 4: Simplify right side
    246,506x = 28,858,992,909.16
  5. Step 5: Solve for x
    x = 28,858,992,909.16/246,506
  6. Step 6: Final answer
    x = 117,072.17

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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.